83. His mother often teaches him the i_________ of working hard.

82. If you work hard, you will s________ in the end.

81. I can’ you read it a_______?

80. We’ll have a football match on _______(星期五) afternoon.

(B) 在下列各句的空格内填上一个适当的完整的单词，该词的首字母已给出。

79. We can _________(容易) become unhappy unless we deal with our problems.

78. I didn’t _________(认识到) that I was wrong until he told me.

77. ________(浪费) time means killing yourself.

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

76. No one helped Jack. He worked out the math problem by ________(他).

　根据对话内容，从方框中选择适当的选项补全对话。选择中有两项为多余的选项。

　A: Hi, Victor! Have you got any plans for the coming holiday?

B: Not yet. 　66　　 　

A: Yes. I plan to go to London this summer.

B: 　67　 　But didn’t you go there last year?

A: Yes, I did.　 　68　

B: That’s true. Will you travel alone?

A: No.　 　69　 　But it seems that everyone has his own plan.

B:　 　70　 When I saw him yesterday, he was reading a book about London.

A: Thank you for telling me. I will call him later.