问题
选择题
．Only when Tom fully recovered___________back to work.
A．did he go
B．he went
C．had he gone
D．he had gone
答案
答案：A
搜题请搜索小程序“爱下问搜题”
．Only when Tom fully recovered___________back to work.
A．did he go
B．he went
C．had he gone
D．he had gone
答案：A
