问题描述：
4道英语单项选择题
1.He ( )a letter to his parents every two weeks.为什么是was writing而不是writes,后面不是有every two weeks
2.There is a dog ( ) outside the door.为什么lied而不是lying
3.That train is carrying ( ) boxes of all.为什么是the fewest
4.Do you belive ( ) you read in newspapers.为什么是everything而不是anything
5.-May I put my bike hre?-No,you ( ).you should put it over there.为什么是mustn't而不是needn't
1.He ( )a letter to his parents every two weeks.为什么是was writing而不是writes,后面不是有every two weeks
2.There is a dog ( ) outside the door.为什么lied而不是lying
3.That train is carrying ( ) boxes of all.为什么是the fewest
4.Do you belive ( ) you read in newspapers.为什么是everything而不是anything
5.-May I put my bike hre?-No,you ( ).you should put it over there.为什么是mustn't而不是needn't
问题解答：
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