Question

【题目】Jack is so careless that he often ______ my books off when he walks _____ my desk.

A. knocks; across B. knock; across

C. knocks; past D. knock; past

Answer 1

【答案】C

【解析】

试题分析：句意：杰克太粗心了，当他走过我的书桌时，经常把我的书撞掉。一般现在时态，注意动词运用三单形式，排除B,D；across指从表面通过，past从旁边经过。故答案为C。