David suddenly felt nervous．________, it was his first time to go on stage．

A．At least

B．After all

C．At once

D．At all

I hope Tim can come to my birthday party．Then we ________ a much happier time．

A．have

B．had

C．will have

D．have had

Linda has bought a large house ________ a swimming pool．

A．with

B．in

C．on

D．from

You were ________ to close the windows．Why were you so careless?

A．allowed

B．believe

C．supposed

D．caused

Please tell me the truth, ________ I can decide how to help you next step．

A．so

B．or

C．but

D．for

School students ________ smoke because it is against the school rules．

A．needn't

B．couldn't

C．won't

D．mustn't

When I called the bus service, I ________ that there was no more bus．

A．was telling

B．was told

C．has told

D．had told

Hurry up! If we miss ________ last bus, we'll have to get home by ________ taxi．

A．a; 不填

B．the; a

C．the; 不填

D．a; a

I'm not sure when the plane will ________ and when it will land．

A．take off

B．run off

C．open up

D．stay up

Excuse me, would you mind ________ your voice down, please?

A．to keep

B．keeping

C．keep

D．kept