问题
选择题
______ you think you can or not, you must finish the project before Friday.
A．If
B．Unless
C．Though
D．Whether
答案
答案：D
搜题请搜索小程序“爱下问搜题”
______ you think you can or not, you must finish the project before Friday.
A．If
B．Unless
C．Though
D．Whether
答案：D