Question

【题目】We have a lot of work ______ today.

A. to do B. doing

C. do D. did

Answer 1

【答案】A

【解析】句意：今天我们有许多工作要做。doing 是现在分词形式；do 是原形；did 是过去式；have sth. to do 有某事要做。to do 不定式在此做定语。故选A。