---You mean we will have the mid-term exam in early November?---Yes. ________
Don't be joking. It's time to____________ your business.
It may not rain, but you had better take an umbrella__________.
I'd like to be a professional singer, but I don't think I've got
. The most favorite room is the tidy study with a fireplace, we can watch TV and enjoy the nice scenery outside.
I often have conversations with John over telephone, while keep in touch with Tom by__________ letter.