题目内容
-Shall Mike go and play basketball with us?
-Not ________ he has not finished his homework.
[ ]
A.
when
B.
if
C.
unless
D.
once
答案:B
解析:
解析:
答语为省略句,省略了He will not if…表示“如果他没写完作业就不能去”。 |
![](http://thumb.zyjl.cn/images/loading.gif)
练习册系列答案
相关题目