题目内容

情景对话:根据对话内容补全对话,每空一词。

A: Today is March 12th. It's Tree Planting 1 . We plant trees in the park every year. It's best 2 to plant trees in spring.

B: Do you know 3 to plant trees?

A: Yes, more 4 less. First we must 5 a hole large enough for the tree. Then we knock a stick 6 the earth next 7 the hole.

B: Why?

A: We must 8 the tree 9 the top of the stick to keep it straight.

B: Must the trees 10 watered as often as possible?

A: Of course.

答案:
解析:

Day; time; how; or; dig; into; to; tie; to; be


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