---There is somebody knocking at the door. Who________ it be?---I’m not sure. It ________ be a postman.
—Excuse me. I’m looking for Be the Best of Yourself. —Sorry. The book you ask for ______ out.
—Does she like singing English songs? —Yes. She _______ to sing English songs in her room.
_____ is believed that Bell invented the first telephone in1876.
Yougood grades if youhard.
The clothes________in the wardrobe(衣柜). Put them on the bed.