Question

【题目】My best friend has trouble with his science and he is worried at the moment.

A. now B. at times

C. in a minute D. usually

Answer 1

【答案】A

【解析】

试题分析：句意：我最好的朋友在科学上有困难，现在他很担心。 A. now 现在；B. at times 有时；C. in a minute 立刻；D. Usually通常；故选择A。