-Hi,isMarythere,please？-请问，Mary在吗？--请别挂断，我去叫她（）

请判断一下翻译是否正确： —— Hello. This is Lucy here. can I speak to Mary, please? ——你好！我是露西，请问可以和玛丽说话吗？ Listen! Is Mary playing the piano in the room? –No. It ________ be Mary. She has gone to Hong Kong. 早上8：00Mary至保安值班室领取了西餐厅钥匙，23：30Tom前来归还，请问此操作有什么问题 早上8：00Mary至保安值班室领取了西餐厅钥匙，23：30Tom前来归还，请问此操作有什么问题 Mary wants to know . When ____________ Mary ____________ to school? Mary wants________. —Hi, is Mary there, please?— ______ 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. join the music club ________ Mary is in the club,too—You mean if Mary joins the club you’ll do, too Listen! Is Mary singing in the next room?—No. It _______ be Mary．She has gone to Shanghai for an important meeting. Mary looks down today, what’s up –Well, ________happened between Mary and me is none of your business. Mary looks down today.What is up—Well，________happened between Mary and me is none of your business. Is Rose a friend of Mary’s? Mary is playing ________ a bird.[ ]