—Oh , I have a terrible toothache.—You’d better see a dentist and have your bad teeth out.
It’s snowing and everyone _______ a good time.
What _______ your father do when it’s ________?
—Hello. Who is speaking ?—Hi,Ann._________ Mary.
—How’s it going with you ? —______.
—______ is the weather in Beijing ?—_________ windy.