I"ll lend you my computer ___you promise to take care of it.A unless B as C while D if选 A还是D?为什么不能选

分类: 作业答案 • 2023-01-24 12:15:02

问题描述：

I"ll lend you my computer ___you promise to take care of it.A unless B as C while D if
选 A还是D?
为什么不能选

答

感觉似乎都可以了
可能D比较好点 if条件从句~

答

D.
I won't lend you my computer unless you promise to take care of it.

答

D if.
如果你答应保护好我的电脑,我就将电脑接给你.
选A的话应该是：
I won't lend you my computer unless you promise to take care of it.
unless之前是要用否定的,强调一个转折.