In (A) that age of computers, (B) it is difficult to imagine how tedious (C) work of accountants and clerks must (D) have been in the past.

Câu hỏi :

In (A) that age of computers, (B) it is difficult to imagine how tedious (C) work of accountants and clerks must (D) have been in the past.

A. that age

B. it is

C. work

D. have been

* Đáp án

A

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