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

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__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?
__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?
B
Were there
或者if there were
虚拟语态 可以倒装