1. Her advice _______ useful to me.( be )
2. Laying eggs _______ the queen ant’s full-time job.
( be )
3. Everyone _______ Tom and Mary will get married
next month.(know)
4. Nothing ______ been done to stop the lake from
being polluted.(have)
5. Either of the rooms ____ big enough.( be )
6. More than one person _____ killed in the
accident.( be )
7. More questions than one _______ been asked.( have)
8. A poor woman together with her four children
______ found begging in the street.( be )
9.The professor,including all of his students ______
gone abroad.( have)
10. Two hours _____ enough for us to finish the
work.( be )
11. One hundred dollars a month _____ not
a high pay.( be )
12. Arabian Nights _____ a book popular with the
young children.( be )
13. Politics _______ not easy for the students to
learn well.( be )
14. The youth ______ fond of rock ’n roll music.( be )
15. Fifty tons of coal _______ wasted in the factory
last year.( be )
16. A large quantity of new machines _______ been
bought by the factory this year.( have )
17. Collecting stamps and playing the guitar _____
my hobbies.
18. Each boy and each girl ______ to finish the work
on time.( be )
19. What they needed _____ some water.( be )
20. Nearly 60 percent of the students in our class
____ boys.( be )
21. More than two thirds of the surface of the earth
___ covered by water.( be )
22. Neither my parents nor my sister _______ known
the secret.( have )
23. There ___ some water and stones in the bottle.( be )