Ihaveastomachupset;I

問題詳情：

 I have a stomach upset; I ________ so much ice cream just now.

A. shouldn’t eat                                      B. mustn’t eat

C. shouldn’t have eaten                           D. mustn’t have eaten

【回答】

C

知識點：虛擬語氣與情態動詞

題型：選擇題