Question

— Do you know mother giant pandas have only one or two babies ___________?

— Sorry, I don’t know.

A. at a time B. at time

C. at times D. at that time

Answer 1

A

【解析】

试题分析：句意：- 你知道吗，大熊猫妈妈一次只能生一个或两个大熊猫宝宝？-对不起，我不知道。A. at a time一次B. at time偶尔C. at times总是D. at that time在那时。正确答案A。

考点：考查关于time的短语的意思。