His parents never approve of_____ he plans to do, which always annoys him．
| A．whatever | B．no matter what | C．no matter when | D．whenever |
________ 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 |