Задача по английскому, умоляю решить. 20 балов!

1. you should  try to find out as many facts as possible about this expedition to the antarctic. 2. the team of experts is to analyze the present situation connected with our city's ecological problems. 3. the young engineer was allowed to apply the mobile equipment in his field experiments. 4. this production process had to be further improved by new technical means. 

1. вы должны попытаться узнать так много фактов насколько возможно об этой экспедиции в антарктику. 2. команда экспертов должна проанализировать текущую ситуацию, связанную с экологическими проблемами нашего города. 3. молодому инженеру разрешили применить мобильное оборудование в его полевых экспериментах. 4. этот производственный процесс должен был быть далее улучшен новыми техническими средствами. 

вроде правильно, но не уверена, а перевод  

№1, стр.47.

1.her son is not an enjineer. he is a  scientist.

2.my father is not a fireman. he is a driver.

3.his grandmother is not a worker. she is a  pensioner.

4.liz and bob are not pupils. they are students.

№1,стр.54.

1.he is a officer.

2.she is a teacher.

3.they are doctors.

4.не is an officer.

5.they are enjineers.

1) it is  quarter past eighth o'clock

2) it is five o'clock

3) it is three quarters past three o'clock

4) it is half past six o'clock

5) it is three quarters past nine o'clock

6) it is seven o'clock thirty three minutes

7) it is three o'clock ten minutes

i have never seen him before.

what are you doing? - i am eating a tasty cake. take a piece, please.