Mark the letter

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

A. He asked for a cigarette, and I immediately refused.

B. He mentioned a cigarette, so I thanked him.

C. He offered me a cigarette, but I promptly declined.

D. He asked if I was smoking, and I denied at once.