51. Don’t spend too much time___________ (chat) on the Internet. It’s bad for you.

50. Nick’s red tie 　___________ (与……相配) his black cotton shirt well.

B) 根据句子意思，用括号中所给单词的适当形式填空。

49. Mr. Li is very kind, ___________ (耐心的) and friendly to his students.

48. Lily doesn’t like swimming. Lucy doesn’t like swimming _________ (也).

47. Do you know how long Lukou airport has been in ___________(服务)?

A)根据括号中所给的汉语写出单词，使句子意思完整正确。

46. Tom lives on the _______ (第九) floor of this building. I live two floors below him.