Question

【题目】We are not supposed ____ food on the ground.

A.to putB.putting

C.with puttingD.put

Answer 1

【答案】A

【解析】

句意：我们不应该把食物放在地上。

考查固定短语用法。不应该做……be not supposed to do；所以放要用动词前要加不定式to。故选A。