6.Mark playsviolin, while his brother prefers to play baseball.

49.The vegetables didn＇t taste very good. Theytoo long.

48.The studentshomework busily when Miss Brown went back to get the book shein theclassroom.

47.This English novelmore easily than that one.

46.Having no key to the door, the poor boyanxiously in the rain for one and a half hours, and hewould wait till his mother arrived.

45.Will you please give him the key as soon as he?

44.Thank you for telling me that. I really.

43.I hope youall the factors before you reach the final decision.

42.一Have you ever played bridge?—Yes. Weat weekends when I was in college.

41.My eyes are getting tired. I for two hours. I think I＇ 11 take a rest.

40.The book has been translated into thirty languages since iton the market in 1973.