There ___ someone our school today because we can see a new car in the school

There _______ someone ____ our school today because we can see a new car in the schoolyard.

A. is; visit B. have; visiting

C. must have; visit D. must be; visiting

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There _______ someone ____ our school today because we can see a new car in the school

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There ___ someone our school today because we can see a new car in the school