题目列表(包括答案和解析)

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2.I heard of the news about the space travel. hear of的同义短语为hear about。 

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1.He has gone to Shanghai. 现在完成时的结构是“S+have/has+P.P ”,本句主语为第三人称单数,而go的过去分词是gone。 

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6.Many astronauts have visited the space station.(用already)  

                         

答案:Ⅴ.

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5.The spacecraft has reached the moon.(用just) 

                          

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4.They haven’t been to Mars.(用yet)  

                         

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3.Scientists have found life on other planets.(改为否定句)  

                         

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2.I heard about the news about the space travel.(改为同义句)  

                         

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(根据括号中的要求改写下列句子。) 

1.He is going to Shanghai.(用现在完成时)  

                         

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6.It    ten years since he left the army. 

A.is      B.has      C.will      D.was

答案: 6.A 可用“It is+一段时间+since从句”来表示。

●Sentence structure training 

(句子结构专练)

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5.My parents    Shandong for ten years. 

A.have been in       B.have been to

C.have gone to       D.have been

答案: 5.A

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