Look,thegroundiswet.Itmusthaverainedlastnight,

問題詳情：

 Look, the ground is wet. It must have rained last night, _________?

A. wasn’t it          B. hasn’t it                 C. didn’t it          D. mustn’t it

【回答】

C

知識點：疑問句 反義疑問句

題型：選擇題