英语 Part I Vocabulary and StructureDirections :In this part there are 20 incomplete sentence .For each sentence there are four choices marked A,B,C and D.Choose the answer that best completes the sentence .Then mark the corresponding letter on the

英语 Part I Vocabulary and StructureDirections :In this part there are 20 incomplete sentence .For each sentence there are four choices marked A,B,C and D.Choose the answer that best completes the sentence .Then mark the corresponding letter on the
英语 Part I Vocabulary and Structure
Directions :In this part there are 20 incomplete sentence .For each sentence there are four choices marked A,B,C and D.Choose the answer that best completes the sentence .Then mark the corresponding letter on the Answer Sheet with a single line through the center .
2.Sorry I'm late .I （ ）have turned off the alarm clock and gone back to sleep again .
A.might B.should C.can D.will

英语 Part I Vocabulary and StructureDirections :In this part there are 20 incomplete sentence .For each sentence there are four choices marked A,B,C and D.Choose the answer that best completes the sentence .Then mark the corresponding letter on the
在这部分有20个不完整的句子.对于每个句子有四种选择标记的A,B,C和D中选择最佳完成句子的答案.然后通过该中心的单行答题纸上相应的字母标记 对不起,我迟到了.我有可能关闭闹钟和出尔反尔再次入睡.
只有A表示过去式

指示：这部分有20个不完整的句子，每句有四个选择，标注为A、B、C 和 D。请选择最好的答案使句子完整，然后在答题纸上画一条线穿过相应字母的中间。2. Sorry I'm late. I might have turned off the alarm clock and gone back to sleep again.(A) 对不起，我迟到了。我可能是把闹钟关了又再睡着了。 解释："might ...

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指示：这部分有20个不完整的句子，每句有四个选择，标注为A、B、C 和 D。请选择最好的答案使句子完整，然后在答题纸上画一条线穿过相应字母的中间。2. Sorry I'm late. I might have turned off the alarm clock and gone back to sleep again.(A) 对不起，我迟到了。我可能是把闹钟关了又再睡着了。 解释："might have" 可用作对过去事情不肯定的推断，此处适合。"should have" 用在过去事件代表应做而没做的事情：　　I should have got up at once. 我当时应该马上起来的。"can have" 用于对过去事情猜测的时候不用于肯定句，只用于疑问句：　　Can I have turned off the alarm clock...? 我会不会把闹钟关了……？　　否定形式 "can't have" 则是对过去事情肯定的推断。"will have" 是将来完成时态。

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