— Are these seats available?
— Sorry, sir. The seats _____.

A．have reserved

B．are reserved

C．reserved

D．are reserving

What’s the time?  My watch _______.

A．is being repaired	B．is to repair
C．has been repaired	D．has repaired

According a recent survey, if the factory closes, a lot of people _______ their jobs.

A．are going to lose

B．will lose

C．may lose

D．are about to lose

I was just going to cut my rose bushes but someone _______ it. Was it you?

A．has done

B．had done

C．would do

D．was doing

—Is there any possible way to help them get rid of such a bad habit?
—To tell the truth, it’s very hard. But we ________ on this problem, trying to improve the situation .

A．worked

B．had worked

C．are working

D．had been working

Even though she        much, the woman multimillionaire insists on working as a street cleanser to set her children a good example.

A．doesn’t pay

B．isn’t paid

C．hasn’t paid

D．hasn’t been paid

Every passenger boarding the Titanic        filled with confidence that the ship was unsinkable.

A．was

B．had been

C．has been

D．is

“Does anybody know the definition of Nerd?”        the host seated in the front.

A．asked

B．asking

C．ask

D．to ask

—What’s the noise outside?
—Some children_____ hide-and-seek in the yard.

A．were playing

B．are playing

C．have played

D．played

The decorations were so lovely that they _____ in a short time.

A．sold out

B．has been sold out

C．were sold out

D．were selling out