помогите решить 3 и 4 задание

Correct the mistakes in the sentences.
4. A porter gave away his job in the hotel.
5. The boy was greedy and refused to give in his sweets on his birthday.
6. The girl was plump and decided to give up eating sweets.

Вопрос;Прочитай письмо Джека.Помоги ему сделать письмо короче.Переделай подчеркнутые предложения по образцу.
l am a dog.- l'm a dog.
Dear Tiny,
My name is Jack.l am a dog.l am kind.l am not big.l do not live in London.l live in the country.l have not got many friends.But l have got two friends.They are a donkey and a cat.The donkey does not like winter.He cannot play snowballs.But he likes summer and green grass.The cat likes all seasons.
Would you like to visit us in summer?lt will be sunny. lt will not be rainy.l will be happy to see you.
Your pen friend,
Jack
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помогите решить задание, заранее спасибо!!! дается 50оч.

Сomplete each sentence with the present continuous of the verbs in brackets.
My pet.........................(u.n.r) now.
Jane,s brother .......................(i,s.m.w)now.
I.................................(i.t.s.) on the sofa.
The children...........................(e.t.g) up.
Bill,s sisters.......................(e.o.m.c)
My friends........................(a.e.s.k.t) now.
I..................(e.i.r.w.t) now
Mary and Susan...............(a.a.e.t.r.s.n.t.l.) a text now.
The teacher ...........................(a.k.s) the questions now.
I ............................. (d.o) my homework now.
Помогите решить...........