Taking her advice will ________ you a lot of trouble．

A．take

B．avoid

C．spare

D．save

I ________ ping-pong quite well, but I haven’t had time to play since the new year．

A．will play

B．have played

C．played

D．play

－I’m sorry to keep you waiting．

－Oh, not at all．I ________ here only a few minutes．

A．have been

B．had been

C．was

D．will be

－Will you go skiing with me this winter vacation?

－It ________．

A．all depend

B．all depends

C．is all depended

D．is all depending

Some aspects of a pilot’s job ________ be boring, and pilots often ________ work at inconvenient hours．

A．can; have to

B．may; can

C．have to; may

D．ought to; must

You know he is not going to let us leave early if we ________ get the work done．

A．can’t

B．may not

C．shouldn’t

D．mustn’t

If it were not for the fact that she ________ sing, I would invite her to the party．

A．couldn’t

B．shouldn’t

C．can’t

D．might not

You ought to have helped him with his English, ________?

A．won’t you

B．ought not you

C．shouldn’t you

D．wouldn’t you

He ought ________ the child, but he did．

A．not to have beaten

B．to have not beaten

C．to have beaten

D．to beat

Allow children the space to voice their opinions, ________ they are different from your own．

A．until

B．even if

C．unless

D．as though