问题
选择题
单项选择。
Ouch! I cut my knee. It ______. [ ]
A. hurt
B. hurts
C. hurting
D. to hurt
答案
答案：B
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单项选择。
Ouch! I cut my knee. It ______. [ ]
A. hurt
B. hurts
C. hurting
D. to hurt
答案：B