问题补充:
Could you please loudly in the library?
A. don’t talk
B. don’t say
C. not to talk
D. not talk
答案:
A. don’t talk
B. don’t say
C. not to talk
(答案→)D. not talk
解析:talk谈话,强调两个人说;say说,强调说的内容;句意:请你们不要在图书馆大声说话好吗?固定句式Could you please后面接动词原形,表示请求你做某事好吗?用来提出某种请求,其否定表达一般是在原形动词前加not,结合语境可知选D。