Trees take harmful gas from the air, and ______ oxygen (氧气)into the air.A、let

游客2025-07-11 11

问题 Trees take harmful gas from the air, and ______ oxygen (氧气)into the air.

选项 A、let out
B、set off
C、give up

答案 A

解析 let out释放，set off出发，启程，gave up放弃。

转载请注明原文地址:http://tihaiku.com/zcyy/4156681.html

相关试题推荐

随机试题

最新回复(0)

Treestakeharmfulgasfromtheair,and______oxygen(氧气)intotheair.A、let