93. He is too ______(care) to pass the final exam.

92. My family lives in the ______(center) park of the city.

91. The old should be spoken to ______(polite).

90. So far, we’ve ______(成功) in saving thousands of people in danger.

B) 根据句义，用括号内所给词的适当形式填空。

89. Thank you for giving us so many good ______(建议)。

88. The local ______(政府) has taken actions to call on people to plant trees.

87. Students are taught to help and ______(尊重) each other in schools.

A) 读句子，根据汉语提示补全单词。

86. We should pay more ______(注意) to our living environment.

　　 根据对话内容从方框内所给的选项中选出最佳答案，使对话完整，符合逻辑，句义通顺。注意：有多余选项。

A: You must be really excited about leaving for America tomorrow, Li Ping!

B: Yeah. 81______

A: Nervous about what?

B: I don’t know many of the customs and manners in the USA. 82______

A: Sure.

B: 83______

A: Well, it’s important to be on time when you’re invited for dinner. 84______ Americans expect their guests to be on time.

B: Then how long may I stay there?

A: 85______ Or you seem to have come only for the meal. When your friends seem to be getting tired and running out of things, it’s time to leave. The next day, call or write a thank-you note to say how much you enjoyed the evening.