三道英语选择题,最好说出为什么.
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三道英语选择题,最好说出为什么.
1.They have never been to New York,_____?
A.have they
B.haven`t they
C.are they
D.don`t
2.There is liittle milk in the bottle,_____?
A.is it
B.isn`t it
C.is there
D.isn`t there
3.Mary is very tired because she_____for the whole day.
A.is typing
B.typed
C.types
D.has been typing
1.They have never been to New York,_____?
A.have they
B.haven`t they
C.are they
D.don`t
2.There is liittle milk in the bottle,_____?
A.is it
B.isn`t it
C.is there
D.isn`t there
3.Mary is very tired because she_____for the whole day.
A.is typing
B.typed
C.types
D.has been typing
![三道英语选择题,最好说出为什么.](/uploads/image/z/16968864-48-4.jpg?t=%E4%B8%89%E9%81%93%E8%8B%B1%E8%AF%AD%E9%80%89%E6%8B%A9%E9%A2%98%2C%E6%9C%80%E5%A5%BD%E8%AF%B4%E5%87%BA%E4%B8%BA%E4%BB%80%E4%B9%88.)
1.A 前面是never,表示否定,所以后面用肯定
2.C little表示否定,所以后面用肯定
3.D 表示她打字的一个持续状态,已经打了一整天了,还在打
2.C little表示否定,所以后面用肯定
3.D 表示她打字的一个持续状态,已经打了一整天了,还在打