79. The book_____　 ______ 10 stories. 这本书包括十个故事。

78. After the flood, many villagers were _________ with virus. (感染)

b. 完成下面的句子，每空只填一词。(共5小题，每空1分，满分10分)

77. You must keep your eyes open if you are going to make your trip to the United Kingdom __________(enjoy) and ___________(值得).

76. At first my new ___________(周围环境) were difficult to ________(忍受) .

75. He is such a bad man that he is ________(will) to help others.

74. If people drink _________ (pollute) water, they might get sick.

73. The old man,______(work) abroad for twenty years, is on the way back to his motherland.

72. Helen had to shout to make herself ________(hear) above the sound of the music.

a. 根据提示，写出各句中所缺单词的正确形式。(每空1分, 共10分)

71. ______ (attract) by the beauty of nature, the girl from London decided to spend another two days on the farm.