Where Mary?A. am fromB. is fromC. are fromD. does from

问题补充：

Where Mary?

A. am, from

B. is, from

C. are, from

D. does, from

答案：

A. am, from

(答案→)B. is, from

C. are, from

D. does, from

解析：本题考查的是be from，或come from，前者要借助于be动词，而come from要借助于助动词do或does，故选B