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

Martin participated in an environmental initiative. He realised how dangerous plastic was only then.

A. Not until Martin had realised how dangerous plastic was did he take part in an environmental initiative.

B. Only by taking part in an environmental initiative did Martin realise how harmless plastic was.

C. Only after Martin had taken part in an environmental initiative did he realise how dangerous plastic was.

D. Scarcely had Martin taken part in an environmental initiative when he was unaware of the danger of plastic.

ĐỀ SỐ 1 - VŨ MAI PHƯƠNG