单项选择题

The experiment has ______ the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.

A. found out
B. pointed out
C. ruled out
D. carried out
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单项选择题
Your house is always so neat—how do you ______ it with three children
A. manage
B. serve
C. adapt
D. construct
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—How did you like Nick’s performance last night —To be honest, his singing didn’t ______ to me much.
A. appeal
B. belong
C. refer
D. occur
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