—Hi, Tracy, you look tired.
—I am tired. I__________ the living room all day.
| A．painted |
| B．had painted |
| C．have been painting |
| D．have painted |
________ 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 |