She helped us a lot with our project. We couldn’t continue without her

40/50

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

She helped us a lot with our project. We couldn’t continue without her.

Unless we had her contribution, we could continue with the project

But for her contribution, we could have continued with the project

If she hadn’t contributed positively, we couldn’t have continued with the project.

Provided her contribution wouldn’t come, we couldn’t continue with the project

Giải thích

Đáp án C

C. If she hadn’t contributed positively, we couldn’t have continued with the project.

Cấu trúc câu điều kiện loại 3, trái ngược sự thật ở quá khứ