问题
选择题
Please don't forget _______to me, will you?
A．to write
B．writing
C．write
D．writes
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Please don't forget _______to me, will you?
A．to write
B．writing
C．write
D．writes
答案：A
2H++Cl－+ClO－
2Cu ＋O2↑＋4H＋
Na＋+HS－
NH3·H2O+H3O+