We must be off . It’s eight o’clock already.
A. a moment ago
B. all of a sudden
C. in no time
D. all right
网友回答
A. a moment ago
B. all of a sudden
(答案→)C. in no time
D. all right
解析:本题考查副词短语辨析。a moment ago刚才;all of a sudden出乎意料的;in no time立刻,很快;all right正确的。句意:我们必须立刻走。已经八点整了。in no time立刻;马上。故选C。