,theyhavebeenstrugglingagainst

____________, they have been struggling against the snowstorm for ten hours.

A．Up to now

B．By the time

C．From then on

D．In the future

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There will be plenty of other new jobs, we probably can’t even guess.

A．some of them

B．some of which

C．some of that

D．some of what

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The number of speech pathologists(who help people who have problems speaking) double by the year 2012.

A．is expected to

B．are expected to

C．expects to

D．expect to

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They have got lost, or had an accident.

A．can

B．might

C．must

D．mustn’t

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But often the drivers just go by, taking the human traffic for granted.

A．sign

B．symbol

C．signal

D．mark

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Webster his American Dictionary of the English Language, which first appeared in 1828.

A．is best known for	B．is most known for
C．is best known as	D．is most known as

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