Question

【题目】Many young people took part in _______ trees on Tree Planting Day.

A．plantingB．plants

C．to plantD．plant

Answer 1

【答案】A

【解析】

句意：许多年轻人都会在植树节那天参加植树。take part in +n./pron./v-ing... 参加……为固定搭配，故选A。