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
He was afraid there was any wild animal around him, looking round from ________
s a very interesting book. I’ll buy it, _____.
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You’ll miss the bus ___ you walk more quickly.
Lily tried on some new shoes, but she took ______ in the end. They were too expensive.