Помогите с тестом, Английский язык.

1. Let's meet at the station at 3 o'clock. - O.K. I ... for you there.
a. will be waited
b. will be waiting
c. am waiting

2. This plant ... before we came to live in this town.
a. has been built
b.had been built
c. was built

3. I shall ring you up as soon as I ... home.
a. shall come
b. come
c. came

4.She ... before the letter arrived.
a. had left
b. was left
c. left

5. In the evening the delegation ... round the city.
a. is shown
b. will show
c. will be shown

6. He ... at me closely for some time before we came up and asked if we had met before.
a. had been looking
b. was looking
c. had been looked

7. What ... to the group when you joined them ?
a. was explaining
b. has been explained
c. was being explained

8. Jack ... to his native town since he entered the University.
a. had not been
b. has not been
c. was not

9. I was afraid I ... late.
a. was
b. shall be
c. am

10. Who speaks French in your family? - I ... .
a. am
b. do
c. have

11. Look!. It is still snowing. It ... since the very morning.
a. is snowing
b. has been snowing
c. snows

12. - Were you tired after the skiing trip yesterday ? - Yes, I ... .
a. did
b. were
c. was