单项选择题

It was when he began to make the new experiment in 1908 ______ such an ambitious plan.

A．had he
B．did he have
C．that did he have
D．that he had
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单项选择题
I was not bothered by the loudness of the trumpet player ______ by his lack of talent.
A．as
B．than
C．so much as
D．rather than
单项选择题
He actually didn't see the man ______ the room, but he heard them ______ in it.
A．to enter, laugh
B．enter, to laugh
C．to enter, laughing
D．enter, laughing
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