Chia động từ trong ngoặc

3. After the explorers (have)
their trip.
4. When Mrs Brown (open)
house (be).
5. I (get)
together but we (not/keep).
Mary is on the phone. She (talk)
6.
to London since last week.
7. He (not/attend).
8. By the time he (arrive)
9. How long.
10. Electronic mail (be).
11. Her back (be).
day.
12. What time.
13. Eric (not/find)
14. She (be).
15. After Larry (see)
16. There (be).
17. He (has).
broken into by thieves.
a letter from Jim last week. We (be)
(not/study).
-you (work).
to buy the book.
the campsite, but we (be)__________
21. The accused (be).
only a minor offence.
22. The child's eyes (be).
lunch, they (continue)
19. The fossil record (reveal)
the door she (realize)
the next train (leave).
20. Scientists (not/attempt)
seventeenth century.
school since last week. He (be).
home, his wife (go).
contact with each other.
ill.
to work.
on this broken bike? - For one hour.
started in the late 1960s by the US military.
hurt because she (sit)
at the computer all
a flat yet, so he still (live).
a law student and she (study)
throughout the history of the Earth.
23. Many students (become).
24. She often (collect)
She (have)
to her friend who (go).
18. It is estimated that over 99% of all species that ever (exist).
extinct.
a terrible storm on the night we first (stay).
all right with our tent.
a good grade in his examination in spite of the fact that he
particularly hard.
with his parents.
for four years now.
the film 'Harry Potter' on TV, he (decide)
her
at school
given a short sentence as he (commit).
a large collection
at
A
that extinction (occur)
to measure the speed of light until the
.(become)
red because he (cry).
dependent on the Internet for information
stamps of many other countries in her spare tim