问题标题:
Wecanprotectourcountryby_____theair,thewaterandtheland.A.notpollutingB.notpolluteC.nottopolluteD.tonotpollute解释!
问题描述:
Wecanprotectourcountryby_____theair,thewaterandtheland.
A.notpollutingB.notpolluteC.nottopolluteD.tonotpollute解释!
谭耀铭回答:
Wecanprotectourcountryby(A.notpolluting)theair,thewaterandtheland.
我们可以通过不污染空气、水和土地,来保护我们的国家.
bydoing,通过某种手段方式.在介词by的后面要用动名词doing的形式作宾语,不能用不定式todo,而否定词not要放在doing之前.
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