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单项选择题

______your help we were successful.

A．According to
B．But for
C．Owing to
D．As for

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热门试题

单项选择题Mr. Smith ______working till he was seventy years old.

A．kept up
B．kept on
C．kept to
D．kept out

单项选择题Tom looks so pale today. He ______ill.

A．must be
B．had to be
C．should be
D．shall be