Any/a/haven’t/you/circumstances/You /sign/read/under/contract/shouldn’t /thoroughly.

we are reading a sci-fi story about aliens these days.

1. who is reading a sci-fi story?

2. are we reading a sci-fi story?

3. what are we reading?

4. when are we reading a sci-fi story?

5. what story are we reading?

6. what is the story about?

7. is the story about aliens or about animals?

8. we are reading a sci-fi story about aliens, aren't we?

1)с

2)b

3)c)

4)a

5)a

6)b

7)b

8)c

9)b

10)d

11)a

12)b

13)a

1.вы должны попытаться выяснить, так много фактов, как можно больше об этой экспедиции в антарктику.2.группа экспертов должны анализировать сложившейся ситуации связанные с экологическими проблемами нашего города.3.молодому инженеру разрешили применять мобильное оборудование в его экспериментах на поле.4.этот производственный процесс должен был быть улучшен новыми техническими средствами.

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. 

настоящее время:

1.they are old friends. 2.i am a teacher. 3. the weather is good today.

будущее время:

1we will be interested in his progress.

2.i shall be your new teacher,    также можно  i will be your new teacher.