________ my teacher didn't tell me directly, I still felt that I didn't live up to her expectation.
A．When B．Since
C．As D．While
I was wondering what to do with my car which won't start ________ a kind man offered to help.
A．while B．and
C．so D．when
________ much advice you give him, he does exactly what he wants.
A．No matter B．Whether
C．Whatever D．However
________ you have to do the job, you should try your best to do it well even though it may be very difficult for you.
A．Since B．While
C．Unless D．Though
Besides, ________ well it is translated, the spirit of the original work is lost.
A．no matter how B．no matter what
C．no matter when D．no matter where
He never thought that his success came ________ he least wanted it.
A．until B．since
C．when D．while
