--Sorry, sir. I made a mistake again.--_________. Practice more and you will do better.
Tom will call me as soon as he ______ home.
–What’s your father doing now? –He ______ the room
–Would you like to go to the concert with me? –I’d love to, ______ I’m afraid I have no time.
–________ you turn down your radio, please? –Yes, I can.
There is ______ wrong with this computer. It doesn’t work well.