— I am sure Mary will win the first prize in the final.
— I think so. She _____ for it for months.

A. is preparing
B. was preparing
C. had been preparing
D. has been preparing
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—I am sure Mary will win the first prize in the final.

—I think so. She______ for it for months.

A．is preparing

B．was preparing

C．had been preparing

D．has been preparing

 

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— I am sure Mary will win the first prize in the final.
— I think so. She _____ for it for months.
[     ]
A. is preparing
B. was preparing
C. had been preparing
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科目：高中英語 來源： 題型：

—I am sure Mary will win the first prize in the final.

—I think so. She______ for it for months.

A. is preparing      B. was preparing        C. had been preparing         D. has been preparing

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科目：高中英語 來源： 題型：

—I am sure Mary will win the first prize in the final.

—I think so. She______ for it for months.

A. is preparing      B. was preparing        C. had been preparing         D. has been preparing

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