54. The children were ___________ (happy) because they didn’t get Christmas presents.

53. -- What ____________ (happen) to Jim last night?　 -- He fell down and hurt his leg.

52. More and more foreign __________ (visit) are interested in Beijing.

51. -- Where would you like to go on vacation?　 -- I’d like to go somewhere __________ (relax).

50. She knew the _________ (重要性) of working hard and not just to do what she enjoyed.

B. 根据句意用所给词的适当形式填空。

49. I was ____________ (被邀请) to Sally’s birthday party. It’s at her house on Saturday.

48. She said that ______ (加入) the English club was the best way to improve your English.

47. The more careful you are, the ___________(少) mistakes you’ll make.

A. 根据下列句子及所给汉语注释，在空缺处写出各单词的正确形式(每空只写一词)。

46. According to an ___________ (古代的) Chinese legend, tea was invented by accident.