21. — Would you mind if I turned on the radio and listened to some music?
—______. In fact, I also like to listen to music in my car.
A. No, you can’t B. Yes, I do C. No, go ahead D. OK, no problem
22. This kind of cloth ______ easily. I think it is worthy ______.
A. washes, buying B. is washed, buying
C. washes, to be bought D. is washed, to be bought