The secretary _______ on the report for more than three hours. She hopes she may finish it by the lunch time.
Choose the correct answer to each of the following questions.
Câu 335060: The secretary _______ on the report for more than three hours. She hopes she may finish it by the lunch time.
A. is working
B. will be working
C. has been working
D. had been working
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Đáp án : C(0) bình luận (0) lời giải
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