I __ the latest Harry Potter book all day. I'm dying to know what happens

Câu hỏi :

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

A. am reading

B. have been reading

C. have read

D. had read

* Đáp án

B

* Hướng dẫn giải

Đáp án B

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