问题
选择题
—______ I put the bike here?
—No, you can't.[ ]
A. May
B. Must
C. Need
D. Shall
答案
答案：A
搜题请搜索小程序“爱下问搜题”
—______ I put the bike here?
—No, you can't.[ ]
A. May
B. Must
C. Need
D. Shall
答案：A
，正电荷
，正电荷
，负电荷
，负电荷