—Mary, could you tell me if your mother ________ our school sports meeting tomorrow?　　—I think she will come to school if she _________ free.　　

—_________do you write to your parents?—Once a month.

—He’s not married Laura, ____?—____. They will celebrate their one year of marriage this Sunday.

---She hardly plays computer games every week ,_________? ---Yes . She is a hard-working girl .

Tom often goes to the beach on vacation, _____­­­­­____？