Your trousers ____dirty， you must have _____washed.
| A．is； it | B．are； it | C．are； them | D．is； them |
Apples of this kind ____.
| A．tastes good | B．tastes well | C．taste good | D．taste well |
.The police an organization which protects the public from harm .
| A．are | B．was | C．were | D．is |
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 |
John has two brothers， but either ____out of work now.
| A．are | B．is | C．has | D．have |
—Two months ______quite a long time.
—Yes, I’m afraid that he will miss lots of his lessons.
| A．is | B．are | C．was | D．were |
____can be done _____been done.
| A．All； have | B．All that； have | C．All； has | D．All that； has |
The Chinese people _____hard-working and brave.
| A．are | B．is | C．has been | D．are being |
The singer and the dancer ______ come to the meeting.
| A．has | B．have | C．are | D．is |
Nobody ____to smoke in the cinema.
| A．allows | B．allow | C．is allowed | D．are allowed |
The air in big cities _____very dirty by factories.
| A．are often made | B．is often made | C．have often made | D．has often made |
E－mail,as well as telephones, an important part in daily communication.
| A．is playing | B．have played |
| C．are playing | D．play |
The fact that so many people still smoke in public places ________ that we may need a nationwide campaign to raise awareness of the risks of smoking.
| A．suggest | B．suggests | C．suggested | D．suggesting |
A library with five thousand books ________ to the nation as a gift.
| A．is offered | B．has offered | C．are offered | D．have offered |
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