The ________ change of weather may have some ________ his health．

A．suddenly, affect

B．sudden, effect on

C．sudden, effect at

D．suddenly, effect on

All of them ________ Mr．Willington as the candidate for chairman of the committee．

A．put off

B．put on

C．put out

D．put forward

－How soon will Liu Xiang come to our school?

－It won’t be long ________ he ________ to our school．

A．since; come

B．when; comes

C．until; come

D．before; comes

Perseverance is a kind of quality and that’s ________ it takes to do anything well．

A．what

B．that

C．which

D．why

His speech, ________ everyone present, went on and on．

A．encouraged

B．to encourage

C．encouraging

D．being encouraged

North Korea said Monday its first – ever nuclear weapon test would ________ the peace and stability(稳定)on the Korean Peninsula and in the area around it．

A．differ from

B．tend to change

C．make the most of

D．contribute to

－I’d like to take a week’s holiday．

－________, we’re too busy．

A．Don’t worry

B．Don’t mention it

C．Forget it

D．Pardon me

－Why do you look so upset？

－There is a lot of homework ________．

A．remaining to do

B．to remain done

C．remained to be done

D．remaining to be done

The weather is so changeable in England that people never know what is ________ for them．

A．in turn

B．in surprise

C．in store

D．in common

To his disappointment, the opinion he had stuck to ________ out wrong．

A．turn

B．turned

C．turning

D．be turned