--Do you think the English class _______? --No, we all like it.
–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.
–Which color do you like ______, blue or green? –Blue.