Употребите «must», «have to» or «be to»..

Помогите прошу, только поясняйте почему именно это надо написать.

snake
toothache

take

by mistake

a break

ответ 0. The plane lands at … at 5 o’clock. Heathrow’s Airport the Heathrow Airport a Heathrow Airport Heathrow Airport 3 Выберите один правильный ответ There are some dark clouds in the sky, it … rain. is going will is going to will be 4 Выберите один правильный ответ My mother was … with the present. delighting delight delighted delightful 5 Выберите один правильный ответ The road repairs … on the motorway might delay traffic. carried out are carried. are carrying carrying out 6 Выберите один правильный ответ The concert … at 5 o’clock. has to begin must begin is to begin can begin 7 Выберите один правильный ответ Jill has got … time now, she is getting ready for her exams. a little little many much 8 Выберите один правильный ответ My watch was among the things … . taken took taking take 9 выберите один правильный ответ 0. The train is not … the plane. as fast as the fastest faster as fast as 10 Выберите один правильный ответ the composition … yesterday. was written has been written was wrote is written 11 Выберите один правильный ответ You can’t be serious, you … be joking! should must are to may 12 Выберите один правильный ответ Tomorrow at 2 o’clock we … in the sea. will swim will be swimming will have swum will swimming 13 Выберите один правильный ответ Your tour guide … for you at the airport at 3 p.m. will be waiting will wait will have been waiting will have waited 14 Выберите один правильный ответ 7. The tourists … to proceed to gate 5. has been welcomed are welcoming welcome are welcomed 15 Выберите один правильный ответ My uncle is … lift this box by himself. enough strong to too strong to strong enough strong enough to 16 Выберите один правильный ответ The box was heavy, you … me to get it home. can have helped may have helped must have helped might have helped 17 Выберите один правильный ответ 5. The dress … by my sister. has been sewn has sewn had been sewn been sewn 18 Выберите один правильный ответ Mike would like … mountaineering. to taking up to take up take up taking up 19 Выберите один правильный ответ 5. Our flight … because of bad weather. delayed had been delayed was delay was delayed 20 Выберите один правильный ответ I … her before but I’m not sure. ought to have met should have met may have met had to meet

our legislation has been changed in unfavorable way so we must withdraw the order

based on our extensive research this matter we believe the responsibility for the shortage does in fact lie with you
ПОМОГИТЕ СРОЧНО НАДО
Сформулируйте свое согласие или несогласие с изменившимся пожеланиями или высказываниями партнера
it is reported that your competitors Robertson and Sons are discounting 22 %of their list price, with immediate delivery, so we hope that you can offer us better price

we think that in the first year we cannot guarantee the minimum sale of goods for above sum

you have to pay dead freight, since we have chartered the American Bay, and she is to be loaded early next week

later?

2. The swimmer pulled together all his efforts and (could, might, was able to) … get out of the whirl.

3. Shakespeare (must, could, can’t) … have been to the USA because it had not been founded by then.

4. I think that you (ought to, can, have to) … help this old and miserable man.

5. My niece (can, might, should) … visit us this summer.

6. We (must, can, could) … go to Venezuela for our holidays. What do you say?

7. For changing over the trains you (need to, is to, ought to) … buy another ticket.

8. With new technology you (should, can, might) … cut communication costs considerably.

9. You (could stay, could have stayed, needn’t have stayed) … at my place when you visited London. Why didn’t you do it?

10. Your hands are full. (Shall, Will, Should) … I help you?

together all his efforts and (could, might, was able to) … get out of the whirl. 3. Shakespeare (must, could, can’t) … have been to the USA because it had not been founded by then. 4. I think that you (ought to, can, have to) … help this old and miserable man. 5. My niece (can, might, should) … visit us this summer. 6. We (must, can, could) … go to Venezuela for our holidays. What do you say? 7. For changing over the trains you (need to, is to, ought to) … buy another ticket. 8. With new technology you (should, can, might) … cut communication costs considerably. 9. You (could stay, could have stayed, needn’t have stayed) … at my place when you visited London. Why didn’t you do it? 10. Your hands are full. (Shall, Will, Should) … I help you?