问题
选择题
I get the two of them mixed up ; they are so similar.
A.at one time
B.at no time
C.in no time
D.all the time
答案
答案:D
考查介词短语。at one time 以前,曾经;at no time绝不;in no time立刻,马上;all the time一直;句意:我一直搞不清楚他们俩,他们是如此的类似。