问题
The doctor did _________ he could _________ Mary with her leg.
A:what； to help
B:that； help
C:which； to help
D:what； help;
B:that； help
C:which； to help
D:what； help;
正确答案是：
同类题型
Read this story, _______ you will realize that not everything can be bought with money
Turn on the television or open a magazine and you _____ advertisements showing happy families.
Stand over there____you’ll be able to see it better[ ]
We’ll have to work extra hours, for there are still some problems ____________ ．[ ]