Question

【题目】填入单词的适当形式。

1. _____ trees is good for us.

2. I will _____ more trees.

3. We like _____ trees.

4. Today is Tree _____ Day.

5. We should _____ trees.

Answer 1

【答案】1. Planting 2. plant 3. planting 4. Planting 5. plant

【解析】

略