57. There are a lot of c________ relics in our country.

56. What is his __________(态度) towards the question?

55. The band b______ up in about 1970，but reunited in the mid-1980s.

54.To be ___________(诚实)with you, he doesn’t work hard.

53.We set a fire nearby to _________________( 保护 ) plants from the cold.

52. Many rare animals are in d________because of over-hunting .

51. He _______________( 假装 )to eat the apple to make the little girl laugh.