Itwastheoldworkercamethatwethe

It was ______ the old worker came that we______ the experiment.

A．until；didn’t begin	B．not until; began
C．until; began	D．not until; didn’t begin

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I think I was at school, ______I was staying with a friend during the vacation when I heard the news.

A．even so

B．and then

C．so that

D．or else

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There were two boys in the lab, ________ did the experiment successfully.

A．the clever of whom	B．the cleverer or whom
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A．as twice many

B．as many twice

C．twice as many

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I am in _______charge of the class which was in __________charge of my wife.

A．不填；the

B．不填；不填

C．the; 不填

D．the; the

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I didn’t like the story, _______, it’s too long, also it was written by a writer I don’t know

A．for one thing

B．for a thing

C．although

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