问题
选择题
Go on _______ the other exercise after you have finished this one.
A．to do
B．doing
C．with
D．to be doing
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Go on _______ the other exercise after you have finished this one.
A．to do
B．doing
C．with
D．to be doing
答案：A