語法復習二、主謂一致
19. a chemical works____ built there.
a. is to being b.have been c. were to d.has been
20. the olympic games ____ held every ____ years.
a.is;four b.are;four c.is;five d.are;five
21 .the united states of america one of the most developed countries in the world.
a.is b.are c.was d.were
22.he is the only one of die students who ____ elected.
a. are b.have c.has d.is
23.theis is one of the most interesting questions that ____ asked.
a.have b.has c. have been d.has been
24.many a man ____ come to help us.
a.have b.has c.is d.are
25."all____ present and all____ going on well," our monitor said.
a.is;is b.are;are c.are;is d.is;are
26. the police ____ the murderer everywhere when he suddenly appeared in a theatre.
a. is searching for b. were searching for
c. are searching for d. were searching
27.your trousers____ dirty.you must have____ washed.
a.is;il b.are;it c.are;them d.is;them