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