I wish I ____fly to the moon one day

A. can  B. could  C. am  D. was

 

I wish I ____fly to the moon one day

A. can  B. could  C. am  D. was

完形填空

　　Every time when I look at the moon, I wish I could 1 . Do you wish you could fly to the moon 2 a spaceship one day?

　　For hundreds of years, men 3 to travel to the moon. When they looked at the moon, they asked many 4 . Was the moon hot 5 cold? Were there any plants or other 6 things there? There were many, many 7 questions. Some people said there were living plants on the moon. Others said 8 could live there because there was no air or water on the moon.

　　We know much 9 the moon now. Scientists have studied the moon for many years and have 10 many facts. Not long 11 spaceships 12 men in them flew to the moon.

　　What do we know about the moon? We find that the moon is much 13 than the earth. It is about one quarter the size 14 the earth. It is travelling 15 the earth 16 .

　　Days and nights on the moon are very long. One day on the moon is as long as two weeks on the earth. One night is also as long as two weeks on the earth. In the day the moon is very 17 . At night it is very cold. The moon is 18 hotter and much colder than the earth.

　　There is another 19 thing. On the moon things are not as 20 as they are on the earth. Isn't that interesting?

　　Perhaps one day we can all travel to the moon. It must be great fun.

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