The law has been passed that nobody ________ to smoke in public places.

A．allows 

B．allow

C．is allowed 

D．are allowed

The number of guests invited ________ fifty, but a number of them ________ absent for different reasons.

A．were; was 

B．was; was

C．was; were 

D．were; were

All the students in the school expect Tom ________ out of the school gate after class every afternoon.

A．rush 

B．rushes

C．is rushing

D．are rushing

This kind of camera ________ of good quality and at a proper price.

A．is 

B．has

C．are 

D．have

The day before yesterday the police including one officer________ searching for the murderer in that mountain.

A．is

B．are

C．was

D．were

Large quantities of water ________ for cooling purpose in the only one of the plants that ________ steel in the city.

A．has been needed; produce

B．are needed; produces

C．is needed; produces

D．have been needed；produce

I wonder whether the soldier is one of those who ________ abroad to keep peace.

A．has been sent 

B．have been sent

C．have sent 

D．has sent

The city government is planning to build a new factory to deal with rubbish, but when and where to start ________.

A．hasn't been decided 

B．haven't decided

C．isn't being decided 

D．aren't decided

The stones each ________ as much as two tons.

A．weighs 

B．are weighed

C．weigh 

D．is weighed

—Much knowledge as well as many abilities ________ from our teachers.

—Yes. We should love and respect our teachers.

A．are learned 

B．is learned

C．learn 

D．learns