请问是in summer vacation还是on summer vacation?
请问是in summer vacation还是on summer vacation?
是in summer vacation还是in the summer vacation啊?
在my summer vacation前面有on还是in.
in the summer vacation
是summer vacation还是summer holiday 前面介词用什么
是in summer还是on summer
Where _____you_____(go)on vacation last summer.
求两篇英语作文:on my Summer Vacation
是in vacation,还是on vacation,还是atvacation?
We often go c____ in summer vacation.
My last summer vacation
高中英语作文 Summer vacation