题目内容

only when david did it a second time ____.

A. he realized his mistake
B. he was realizing his mistake
C. did he realize his mistake
D. he did realize his mistake

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surroundings have changed and ____ in them.

A. so have the people
B. the people have so
C. have the people so
D. the people so have

___ dark was the night that we had to rely on our ears instead of our eyes.

A. how
B. extremely
C. very
D. so

____ that the pilot couldn’t fly through it.

A. the storm so severe was
B. so severe was the storm
C. so the storm was severe
D. such was the storm severe

____, i couldn’t lift the box.

A. as i might try
B. as try i might
C. try as i might
D. try though i might

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