问题
选择题
When I was young, I have so much time, but these days I in school all day. [ ]
A. use to, stay
B. used to, stayed
C. used to, stay
D. use to, stayed
答案
答案:B
When I was young, I have so much time, but these days I in school all day. [ ]
A. use to, stay
B. used to, stayed
C. used to, stay
D. use to, stayed
答案:B