doesn't come与didn't comei'm waiting for my friend .__________,I'll go shopping alone.A.if she doesn't come B.if she didn't come

doesn't come与didn't comei'm waiting for my friend .__________,I'll go shopping alone.A.if she doesn't come B.if she didn't come
doesn't come与didn't come
i'm waiting for my friend .__________,I'll go shopping alone.
A.if she doesn't come B.if she didn't come

doesn't come与didn't comei'm waiting for my friend .__________,I'll go shopping alone.A.if she doesn't come B.if she didn't come
选A
因为这句话强调的是现在发生的事
我正在等我的朋友 如果她现在不来 我将要去自己购物
所以选一般现在时 时态一致

B
这里用过去时态是因为有虚拟.

A

A.if she doesn't come
主将重现的用法