объясните пожл, что ставить в этом предложении: The boys(are/they are/they're), и почему? Когда ставится they are, а когда they were?

all sections and lieutenants head all units. 3. The bureaus will provide technical services to assist in the execution of line functions. 4. The Bureau of Community services has established better relations between police and community. 5. The FBI had reordered its priorities by 2000.

capital, on a hill near the Minsk-Hero-City Memorial and Pobedy Park. It will primarily reflect the heroic deeds of the Belarusian people and the big role of the Red Army in defeating Nazis. However, technical innovations, such as dynamically lit electronic maps, electronic catalogues, interactive facilities will help visitors to receive brighter impressions.

passive.

a)They didn't listen to the lecturer.

b)The boys are always laughing at John.

c)Has anybody slept in this room lately?

d)We will take care of your grandmother.

e)They build many houses every year.

2.Put in the correct preposition or partisle

a)I often suffer 1__ a bad back.

b)I'm sorry 2__ being late.

c)I've borrowed some money 3__ a bank. I'm going to pay 4__ 5__ a year.

d)The economy of Russia mostly depends 6__ oil and gas.

e)You can rely 7__ me.

f)Where can I change dollars 8__ roubles?

g)I like walking 9__ the city 10__ white nights.

3.Make the following darect sentences indirect

a)"Don't make me cry!" she begged.

b)"Where have you been?" my friend asked me.

c)"Did you sleep well?" asked the hostess.

d)"Kangaroos live in Australia" the teacher said.

e)"I will pick you up after school" her dad promised.

f)"Open the door" he asked.

g)"I'm not going to pay for it" she said.