Question

【题目】---Whose T-shirt is this?

---It _______be John’s. It’s much too small for him.

A. might B. can’t C. mustn’t D. must

Answer 1

【答案】B

【解析】

句意：-这是谁的T恤衫？-肯定不是约翰的。它对于约翰来说太小了。根据It’s much too small for him可知是否定猜测。can’t用于否定猜测，意为肯定不，不可能；故选B。