It was _______ he worked hard that he succeeded in the end.A．becauseB．sinceC．asD

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It was _______ he worked hard that he succeeded in the end.

A．because

B．since

C．as

D．for

答案

解析

略

举一反三

_______some people some here for a short break , others have decided to stay forever.

A．Because

B．If

C．Once

D．While

题型：不详难度：| 查看答案

Tina was hesitation about the job offer as she did not know _______ the company was an established one.

A．whether

B．what

C．until

D．although

题型：不详难度：| 查看答案

Samuel survived when the car_______he was a passenger in turned off the road and hit a tree.

A．where

B．that

C．as

D．why

题型：不详难度：| 查看答案

I was just about to go out last night ______ the telephone rang.

A．while

B．when

C．as

D．before

题型：不详难度：| 查看答案

By looking at a problem in as many ways as possible , creative thinkers can find solutions that would remain invisible .

题型：不详难度：| 查看答案