Derek is a polite boy. Everybody in our class ________ him.
—Mike,do you know which CDs belong to________? —I’ve no idea.You may ask Alice.
—________model plane is this? —I think it’s Jim’s.Look,his name is on it.
Stop making so much________.The children are sleeping. A.voice B.noise C.sound
You________be serious!You’re actually going to lend him money again?
—Excuse me,when are we going to have a picnic? —I’m not sure.Ask our monitor,please.He________know.