__no gravity,there would be no air around the earth.A;If there was B;Were there咋选呀?

__no gravity,there would be no air around the earth.A;If there was B;Were there咋选呀?
英语人气:752 ℃时间:2019-12-02 04:50:08
优质解答
B
Were there
或者if there were
虚拟语态 可以倒装
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