In freezing weather, snow can turn into ice, which is easy to ________.A．be sl

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In freezing weather, snow can turn into ice, which is easy to ________.

A．be slipped	B．slip
C．slip on	D．be slipping

答案

解析

C　[slip是不及物动词，需要加相应的介词。]

举一反三

—Li Ming is said ________ abroad.Do you know what country he will study in?
—Yes, in London.

A．to have studied	B．to study
C．to be studying	D．to have been studying

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My father insisted that every minute ________ made full use of ________ the work well.

A．be；to do	B．has been；doing
C．be；doing	D．has been；to do

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—What do you think made Celia so happy?
—________a prize in the recent competition.

A．As she won	B．Won
C．Winning	D．Because of winning

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________ the right decisions ________ the future is probably the most important things we"ll ever do in our lives.

A．Making；concerned	B．Made；concerning
C．To make；concerned	D．Making；concerning

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The air has leaked out of this football.Could you get it ________ up?

A．blow

B．blowing

C．blown

D．to blow

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