Question

【题目】—I left my handbag on the train, but luckily someone gave it to the railway officials.

—How unbelievableto get it back! I mean, someone ________ it.

will have stolen

might have stolen

should have stolen

must have stolen

Answer 1

【答案】B

【解析】本题考查情态动词might与have done连用，表示对过去情况的可能性推测。