8．C　 这里指朋友来访，我们会度过一个愉快的夜晚。

7．A　 丈夫认为请人吃饭是件愉快的事，所以此处指没有什么可担忧的。

6．A　 与某人一起用with。

5．D　 根据上下文含义，此处指没有思考。

4．D　 半小时用half an hour。

3．B　 犯错用make a mistake。

2．C　 车应停在房子外面。

6．difference　 指两者之间的不同点，故用名词。

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At half 　1　 　five, Mrs Black heard her husband park the car 　2　 　the house and went out to speak to him right away.

“What’s wrong with you? ” he asked. “You look worried.” “I have 　3　 　a terrible mistake, dear,” she said. “Mrs Smith called me half 　4　 　hour ago. We got talking and then 　5　 　thinking, I asked her and her husband to come to have dinner 　6　 　us this evening.”

“Well, that’s 　7　 　to be worried about,” Mr Black said. “We will have a pleasant 　8　 . We haven’t seen the 　9　 　for a long time.” “I’d like them 　10　 ,” Mrs Black answered.． “But I’ve just 　11　 　there is almost not any food at home. You didn’t remember 　12　 　some. I asked you to get some 　　 13　　 　 your way home from work three days ago.”

“Some food? ” Mr Black said. “Oh, my dear, yes, I 　14　 　now. I did buy some. It’s in the car. It’s been there for the 　15　 　three days.”

解析　 答案：1．A　 表示几点半用past，超过半用to。

5．inventor　 发明家，在invent后加or。

4．useful　 非常有用，需要形容词。