问题
选择题
Do you know_________they are getting on well with the project?
A．whether
B．what
C．how
D．when
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Do you know_________they are getting on well with the project?
A．whether
B．what
C．how
D．when
答案：A
