代词填空1.david is american.( )is a good student.2.mary wants to

代词填空
1.david is american.( )is a good student.2.mary wants to do her homework with ( )classmates.3.tom's uncle does ( )work very well.he is great.4.the students are tired.( )want to have a rest.5.what's your mother's favorite color?( )favorite color is blue.
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