---How many _______do you have? ---Let me see, my father has two brothers.
I like science best. __________, what is your favorite subject?
– My hat is out of style. __________? – Maybe you should buy a new one.
– __________ have you been skating? – For five hours.
There __________ an English speech next week.
– Where is Miss Wang? – She went to Shanghai last week and will return __________ three days.