In the past the trip _______ very rough and often dangerous, but things _______ a great deal in the last hundred and fifty years

Câu hỏi :

In the past the trip _______ very rough and often dangerous, but things _______ a great deal in the last hundred and fifty years.

A. was / have changed

B. is / change

C. had been / will change

D. has been / changed

* Đáp án

A

* Hướng dẫn giải

Đáp án A.

was (in the past)/ have changed (in the last hundred and fifty years)

Dịch: Thời xưa, cuộc hành trình dài thường rất khó khăn và nguy hiểm, nhưng mọi thứ đã thay đổi nhiều trong 150 năm trước.

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