68.You should listen to your teacher　 　　　　　(careful)in class.

67.September is the　 　　　　　　　(nice)month of the year.

66.Peter is much　　 　　　　　　　(tall )than Kitty.

65.They wanted to remind us that we should protect the 　　　　　(环境)by showing us the beauty of nature.

B)根据句子意思，用括号中所给单词的适当形式填空。

64.The old man lives alone, but he doesn’t feel 　　　　　(孤独的)because he has many friends.

63.Daniel is an active boy and he is crazy about playing 　　　　　(足球).

62.Mrs Jiang is good at 　　　　　　(唱)English songs.

A)根据括号中所给的汉语写出单词，使句子意思完整正确。

61.There is some　 　　　　　　(水)in the bottle.