Question

【题目】一Look out! Something down from the building.

一Dear me! It's too dangerous.

A. fell B. falls C. is falling

Answer 1

【答案】C

【解析】句意：---小心！有东西从大楼上掉下来了。-----哎呀！太危险了。A. fell一般过去式；B. falls 一般现在时；C. is falling现在进行时。根据“Look out!”可知此事正在发生，用现在进行时，故选C。