问题

The doctor __________ she sent her friend is very well known.
A:by whom
B:at whom
C:whom
D:to whom
B:at whom
C:whom
D:to whom
正确答案是:
同类题型
“The moment ________ soon”,he thought to himself,waiting nervously.(2012·湖南)
No matter how hard it is,the strong-willed mother will never________the hope to find her lost son.
What did you do with the order? —– I handed it to _____ I think is in charge of sales.
Do you know where Mary is— She has gone away ____ the weekend