-What is Mary doing? -She____to her pen pal. A.write B.writes C.is writing D.are writing

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-WhatisMarydoing?-She____toherpenpal.A.writeB.writesC.iswritingD.arewriting-WhatisMarydoing?-She____

-What is Mary doing? -She____to her pen pal. A.write B.writes C.is writing D.are writing
-What is Mary doing? -She____to her pen pal. A.write B.writes C.is writing D.are writing

-What is Mary doing? -She____to her pen pal. A.write B.writes C.is writing D.are writing
选C.
因为主语是she,是第三人称,所以谓语要用单数,也就是is writing或者writes.
同时,
问句是现在进行时,所以回答也要是的,因此选C.
有不懂的,可以随时找我.

选C~~~~~问题是一般现在进行时态~~回答也用同样的时态~~

C.is writing
问：What is Mary doing
答： Mary is doing ~~~~~

C 这个是现在进行时啊

c

c

C ，问句是进行时，所以回答也是。

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