1.From 7:30 until 10:30 she does her homework句中的does可否用makes来代替?2.what is she usully doing at 12:00?请问这句话中为什么是用"is"而不是用does?

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1.From7:30until10:30shedoesherhomework句中的does可否用makes来代替?2.whatissheusullydoingat12:00?请问这句话中为什么是用"i

1.From 7:30 until 10:30 she does her homework句中的does可否用makes来代替?2.what is she usully doing at 12:00?请问这句话中为什么是用"is"而不是用does?
1.From 7:30 until 10:30 she does her homework句中的does可否用makes来代替?
2.what is she usully doing at 12:00?请问这句话中为什么是用"is"而不是用does?

1.From 7:30 until 10:30 she does her homework句中的does可否用makes来代替?2.what is she usully doing at 12:00?请问这句话中为什么是用"is"而不是用does?
第一题:不能用MAKES来代替.
第二题:因为后面有了DOING ,is doing 是一起的.可以把它看成是谓语,

1、不能,因为do one's homework 是一个短语
2、因为他问的是早2点钟正在做的事,不能用一般式,要用现在进行时

1,可以
2,what is指的是那件事,does强调行为