Question

【题目】—I can’t find our teacher. Where is he?

—He is not at school now. He ______ Kris with her study at her home.

A. helps B. has helped C. will help D. is helping

Answer 1

【答案】D

【解析】

句意：——我找不到我们的老师。他在哪里？——他现在不在学校。他正在帮助克里斯在家里学习。考查动词时态辨析题。now现在，用于现在时；根据句意语境，可知用be + doing结构，故选D。