---Why does she always ask you for help?---There is no one else , is there?A.who
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---Why does she always ask you for help?
---There is no one else _______, is there?
A.who to turn to
B.she can turn to
C.for whom to turn
D.for her to turn
试题答案
B
把定语从句还原成一个句子，即:She can turn to no one else(for help).答案就明朗了。