54.The monument was built in honor of the explorer who was believed ________ the river.

52.Suddenly ________ to give an answer, I found myself at a loss.

50.When I caught him ________ me, I stopped buying things at that shop.

48.—What made him so unhappy?

—________ the ticket for the football match.

A. Having been lost　　　　　　　　　　    B. Lost　　　　　　 

C. Because of losing　　　　　　　　　　    D. Losing

47.—I'll go back to our home town the day after tomorrow. Have you got anything ________ to your parents?

—No, thank you. I'll be back in a few days, too.

46.—I hear Warren ________ in a middle school.

—What? I can't imagine him ________ as a teacher.

45.________ to zoos in Beijing and other cities, the monkeys are reported ________ well.

44.—Why did you come to the concert to hear the pop singers you didn't like?

—I shouldn't like ________ , but my boy friend insisted.

42.A ________ candle ________ the room.

A. lighted; lit up　　　　　　　　　　    B. lighted; light  

C. lit; lit up　　　　　　　　　　    D. lit; lit

38.[2000全国] The managers discussed the plan that they would like to see ________ the next year.