________ hard one may work, one cannot master a foreign language in a month or two.
A．Whenever B．Wherever
C．Whatever D．However
________ I really don't like art, I find his work impressive.
A．As B．Since C．If D．While
________ he has limited technical knowledge, the old worker has a lot of experience.
A．Since B．Unless C．As D．Although
The village has developed a lot ________ we learned farming two years ago.
A．when B．which C．that D．where
—Where's that report?
—I brought it to you ________ you were in Mr.Black's office yesterday.
A．if B．when C．because D．before
Many of them turned a deaf ear to his advice，________ they knew it to be valuable.
A．as if B．now that
C．even though D．so that
