What do you think that noise was? It ________a dog.

[　　]

从所给的四个选项中选择最佳答案

It is time we ______ to bed.　　　

[　　]

A．have gone 　　　B．went　　　C．go　　　D．to go

从所给的四个选项中选择最佳答案

The lights in our classroom are still on?

Oh, I forgot ______.　　　

[　　]

A．to turn them off　　　B．to turn off them

C．turning them off　　　D．turning off them

从所给的四个选项中选择最佳答案

She went back to the bench ______ the other gymnasts and sat down next to her trainer.

[　　]

A．join　　　B．joining　　　C．to join　　　D．be joined

从所给的四个选项中选择最佳答案

--Hello, Mr. White. Do come in.

--All right. I ______ here to send you a message.

[　　]

A．go 　　　B．reach　　　C．get　　　D．am

从所给的四个选项中选择最佳答案

While you listen to the song ______ in English, try to catch the words.　　　

[　　]

A．sing　　　B．sung　　　C．to be sung　　　 D．singing

从所给的四个选项中选择最佳答案

This maths problem is easy _____.　　　

[　　]

A．to work out　　　　　B．to be worked out

C．work out　　　　　　D．for us to be worked out

从所给的四个选项中选择最佳答案

It was not until she arrived home ______ remembered ______ the key in her office.

[　　]

A．when she, to leave　　　B．and she, leaving

C．that she, leaving　　　　D．she, to leave

从所给的四个选项中选择最佳答案

Only when the rain stopped ______ again.　　　

[　　]

A．the match started　　 　B．had the match started

C．did the match start　　　D．the match had started

从所给的四个选项中选择最佳答案

Why is he so late?

He ______ the bus.　　　

[　　]

A．must miss　　 　B．should have missed

C．might miss　　　D．must have missed