单项选择题


A．tries to cover
B．manages to cover
C．fails to cover
D．succeeds in
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单项选择题
A．anotherB．otherC．one anotherD．the other
A．another
B．other
C．one another
D．the other
单项选择题
A．to giveB．givingC．givenD．being given
A．to give
B．giving
C．given
D．being given
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