be carefully,or you will ___the tree A.fall behin
问题描述:
be carefully,or you will ___the tree A.fall behin
be carefully,or you will ___the tree
A.fall behind B.fall down C.fall off C.fall into
答
C
fall off 从.掉下来
be careful,or you will _fall off__the tree
小心点,否则你会从树上掉下来的
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