单项选择题

The waterfall ______ the rocks.

A．wears down
B．wears off
C．wears away
D．wears out
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单项选择题
If you want to express surprise, you should say, ______ !
A．What a pity
B．Good Heavens
C．My sky
D．My Dear
单项选择题
Our Chinese teacher asked us to ______ the text
A．recite, by heart
B．remember, by heart
C．learn, by heart
D．learn, in heart
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