How ______ you spell it______.

Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.

It is useless to argue with him You mightjust____ go to the seaside to argue with the sea

_good time we had at the party last night!— Yes. It was _____ exciting party that I would never forget it.

13.－ I didn’t go fishing last Sunday because my car broke down..－You ______ mine. I was not using it.