问题描述：
be away和be off?
How long are you going to_____for your holiday in HK?
Not very long,just for about two weeks.
A.be off
B.be away
为什么有持续性的就不能选呢？
How long are you going to_____for your holiday in HK?
Not very long,just for about two weeks.
A.be off
B.be away
为什么有持续性的就不能选呢？
问题解答：
我来补答展开全文阅读