前交叉韧带可限制胫骨向后移位，后交叉韧带可制止胫骨向前移位。
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He asked ______________ for the iPad.
A. did i pay how much
B. I paid how much
C. how much did I pay
D. how much I paid
She suggested that they shoud go to the movies _________________________.
A. after eveing
B. that evening
C. the other evening
D. yesterday evening
I’ve ________ him to run faster than that.
A. know
B. known
C. knowing
D. knew
My parents don’t ________ of smoking cigarettes.
A. approving
B. approval
C. approved
D. approve
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