问题
选择题
You look exhausted. What happened ___________ you?
A. on B. with C. to
答案
答案：C
本题考查介词。happen to发生，固定搭配，选C。
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You look exhausted. What happened ___________ you?
A. on B. with C. to
答案：C
本题考查介词。happen to发生，固定搭配，选C。