Choose the best answer for the following sentence:

The business day was in high gear: the mail _________, documents were being typed, letters _________, talks ____________.
 

A.

was being looked through - have been answered - had been held

B.

was being looked through - were being answered - were being held

C.

has been looked through - were being answered - were being held

D.

had looked through - had been answered - were being held

Đáp án và lời giải
Đáp án:B
Lời giải:

was being looked through - were being answered - were being held

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