The exercise was too difficult. We couldn't finish it in an hour.

9/40

The exercise was too difficult that we couldn't finish it in an hour.

It was such a difficult exercise for us to finish in an hour.

The exercise was so difficult that we couldn't finish it in an hour.

The exercise was not easy enough so that we could finish it in an hour.

Giải thích

Hướng dẫn giải:

Đáp án đúng: C

Cấu trúc chỉ nguyên nhân - kết quả: S + be + so + adj + that + S + V: Cái gì đó quá... đến nỗi mà...)

Hướng dẫn dịch: Bài tập quá khó đến nỗi chúng tôi không thể hoàn thành nó trong một giờ.