By the end of this year, Chen English for three years, but he will still need more training and experience before he masters the language.       A. will have been studying   B. has been stud

By the end of this year, Chen __________ English for three years, but he will still need more training and experience before he masters the language.
A. will have been studying
B. has been studying
C. has studied
D. will be studying

Trả lời
Đáp án: A

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