---Listen! Kate is singing in the classroom.----It_____be Kate. She has gone to the Library.
一Were you at home at 9:00 last night? I called you but nobody answered.—Sorry, I _______ at that time.
一Jack didn’t pass the exam and he is upset these days.一Yeah, Let’s _______.
If our government ________ attention to controlling food safety now, our health _______ in danger.
一Could you please tell me _________?—They’re over there
_______ out your love and the world will become a nicer place to live in.