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

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____________, 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

答案

解析

略

举一反三

______ the traffic jam, he didn’t catch his plane, which was reported to have crashed soon after it took off.

A．Because of

B．On account of

C．Due to

D．Thanks to

题型：不详难度：| 查看答案

-- How did you manage to get such a nice old painting?
---Quite _______.

A．by accidents

B．by a chance

C．by accident

D．by incident

题型：不详难度：| 查看答案

Operation rooms should be kept free ______ bacteria of any kind.

A．with

B．for

C．from

D．to

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To write your report, you may refer to books 19th______century Englist literature.

A．from

B．in

C．about

D．at

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. _______ the fact that he was seriously ill, he still decided to come to the meeting.

A．Although

B．Though

C．Despite

D．While

题型：不详难度：| 查看答案