单项选择题

I am heartily grateful to your help.

A．helpful
B．hateful
C．delightful
D．thankful
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单项选择题
China does a lot of trade with many countries.
A．a great deal of
B．a great many of
C．a large number of
D．a great level of
单项选择题
I was astonished at the news of his escape.
A．amused
B．amounted
C．amazed
D．approached
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