Noiseisharmfulourhearing.A.toB

Noise is harmful ______ our hearing.
A. to B. for C. on

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Li Lei often takes care of the old woman after school.

A．looks like

B．looks for

C．looks up

D．looks after

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A．is not too young to go to school

B．is too young to go to school

C．is so young that he can go to school

D．can go to school

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A．stand up quickly

B．go somewhere on foot

C．get up by himself

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A．with accident	B．by accident
C．by mistake	D．by opportunity

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A．come out

B．give out

C．take out

D．put out

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