Question

【题目】If someone ________ stones at you, don't throw back. Use them to build your own foundation instead.

A.throwsB.threw

C.is throwingD.has thrown

Answer 1

【答案】A

【解析】

考查一般现在时。句意为：如果有人朝你________石头，不要扔回去，而是用它们做你(建高楼)的基石。If引导的条件状语从句，主句为祈使句，从句用一般现在时。故选A。