She sings so beautifully! I have never heard .
-Who’s that man riding along the street. Is it Tom? -It ______ be Tom. I saw him in the library just now.
Why not _____ your friend for help when you can’t finish ______ it by yourself?
You are too late, the meetingfor 30 minutes.
My teacher asks me tothe poster on the wall.
—Would you like some more noodles? —. I like noodles very much.