题干

— Talking loudly in a library is impolite.

— In fact, we should also ________ not to cough(咳嗽) or sneeze(打喷嚏)loudly in public.

A:look after

B:be careful

C:take care of

D:look up

上一题 下一题 0.0难度 选择题 更新时间:2017-12-16 12:43:57

答案(点此获取答案解析)

B