Jump up and ____ten times next your seat.用一个介词
问题描述：
Jump up and ____ten times next your seat.用一个介词
还有一题
They were at school ___10:25.
答
Jump up and _DOWN___ten times next your seat.用一个介词
They were at school _AT__10:25.
我是从事英语的,不明可再问.