Mary's birthday is coming. we've decided to make a cake for _____

Listen! Is Mary playing the piano in the room? –No. It ________ be Mary. She has gone to Hong Kong. —Hi, is Mary there, please?— ______ Mary wants to know . Mary wants________. When ____________ Mary ____________ to school? In selecting the gifts, Mary was（）. Mary"s grandparents（）. Is Mary（）to join in us?   Is Mary（ ）to join in us？   Mary ________ Math. Listen! Is Mary singing in the next room?—No. It _______ be Mary．She has gone to Shanghai for an important meeting. Listen! Is Mary singing in the next room—No. It _______ be Mary．She has gone to Shanghai for an important meeting. join the music club ________ Mary is in the club,too—You mean if Mary joins the club you’ll do, too Mary looks down today.What is up—Well，________happened between Mary and me is none of your business. Mary looks down today, what’s up –Well, ________happened between Mary and me is none of your business. Mary is playing ________ a bird.[ ] Mary is ill hospital. [ ] Hello. This is Mary. Linda and Mary has come Of the three girls, Mary sang