Juice and water are healthy drinks，_____ Coke isn't healthy drink.
A.and B.but C.or
There are _____ students in our class.That is 19 boys and 21 girls。
A.forty B.fourty C.fourteen
_____ is a doctor.What about _____ father?
A.His，your B.Her, your’s C.His，you
—Where _____ you _____?
—I'm from Beijing.
A.are, from B.do, from C.are, come
—How many computers _____ in your classroom?
—There are two.
A.are there B.are you have C.does you have