—I hope our class will win the basketball game. —________.
Trees used to be______for cooking by the hunters in the 1970s.
Most of the children went to sleep.Why are you still________?
—Tony is six and he is_______his sister Jane.How old is Jane?—Three.
The fastest plane made by the USA can fly 10,000 meters______ the sound per hour.
John Smith is_______of the two young men.