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.

Câu hỏi

Think it through very carefully. Or else, you will not come up with the right answer.

A. If you think it through very carefully, you will not come up with the right answer.

B. Although you think it through very carefully, you will not come up with the right answer.

C. However carefully you think it through, you will not come up with the right answer.

D. Unless you think it through very carefully, you will not come up with the right answer.

Think it through very carefully. Or else, you will not come up with the right answer.

E9- Vào 10- Đề ôn 8