Intheopeningfoursentences,Dudescribed

问题详情：

In the opening four sentences, Du described _______ the cycles of nature happen — the leaves come back to the trees, the flowers bloom, and the grass grows tall.

A．how    B．when

C．where    D．why

【回答】

A

【解析】

考查宾语从句。句意：在开头的四句话中，杜描述了自然的循环是如何发生的——树叶回到树上，花儿绽放，草长得很高。the leaves come back to the trees, the flowers bloom, and the grass grows tall.是自然循环的过程，表示“如何，怎样”，故选A.

知识点：宾语从句

题型：选择题