请教：
1) There is a football match Hongqi Primary School every Saturday.A. at B. in C. on D. of
2) Kate is telling her classmate about Halloween the phone.
A. at B. in C. on D. by
3) A: the door,please.B: Come in , please. The door .
A. Be open, opens B. Be open , is opening C.Open ,opensD. Open, is open
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