问题
选择题
Our school year begins ___________ September 1st.[ ]
A. at
B. in
C. on
D. by
答案
答案：C
搜题请搜索小程序“爱下问搜题”
Our school year begins ___________ September 1st.[ ]
A. at
B. in
C. on
D. by
答案：C