1. 用适当的介词填空。

(1) Reading in the sun is bad our eyes.

(2) Some factories pour waste water the river.

(3) example, we can choose a quiet to live.

(4) We can learn a lot from him many ways.

(5) Litter is everywhere the increase in population and the development of industry.

【考点】
固定搭配; 介词辨析;
【答案】

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语法填空 普通