Question

【题目】—I bought this shirt for 35 yuan yesterday.

—It’s on sale today for only 29. You should have waited.

—Oh, really? But how I know?

A. would B. can

C. did D. do

Answer 1

【答案】C

【解析】

句意：——我昨天花35元买了这件衬衫。——今天减价只有29元。你本应该等的。——哦,真的吗?但我怎么知道?考查时态辨析题。根据句意语境，可知本句是说“我昨天买它时怎么会知道减价”，需用一般过去时，故选C。