A. It was easy to keep a straight face when she started to sing
B. It was hard to keep a straight face when she started to sing
C. Start laughing was not hard when she started to sing
D. It was not difficult to start laughing when she started to sing
Đáp án là B.
not start laughing = keep a straight face: tự kiềm chế để giữ bộ mặt bình thản, không cười.
Câu hỏi trên thuộc đề trắc nghiệm dưới đây !
Copyright © 2021 HOCTAP247