问题
It was Li Ming ___________ saved the boy.
A:who
B:whom
C:which
D:what;
B:whom
C:which
D:what;
正确答案是：
同类题型
Artistic people_________be very difficult sometimes． —Well，you should know you married one．
______ do you go for a trip with your family — About once a year.
John plays the piano _____, if not better than, David. But he never shows off in public.
We can get fresh water from rain,from rivers, or from ________ the ground.