——Catherine, I have cleaned the room for you.——Thanks, You       it. I could manage it myself.

Don’t play with the dog, Jack, for it ______ be dangerous at times.

Please remind your grandpa to take medicine on time, for a man of his age ____be very forgetful．

—Must we get everything ready before we go to the countryside this summer?    —No, you _______.  

At last the boy was made      and began to laugh.