53. Playing too many computer games is 　　▲　 　(harm) to you.　

52. Tom is a 　　▲　 　(a good sense of humour) boy, so everyone likes him.

B) 根据句意，用括号中所给单词的适当形式或句子的语法要求填空。

51. The tourists had no c　 ▲　 　but to wait for the next bus.

50. I can’t 　　▲　 　(买得起) to go to the 2010 World Cup.

49. Are you 　　▲　 　(有空的) this evening?

48. We had a very cold 　　▲　 　(冬季) last year.　

47. Do you 　　▲　 　(同意) with what I say?　

A) 根据句意及所给中文提示或英文解释，写出句中所缺单词。

46. My neighbours are very 　　▲　 　(友好的) to us.