220，309 should be read____________．
| A．two thousand and twenty thousands，three hundred and nine |
| B．two hundred and twenty thousand and three hundred and nine |
| C．two hundred and twenty thousands and three hundred and nine |
| D．two hundred and twenty thousand，three hundred and nine |
Trees used to be______for cooking by the hunters in the 1970s.
| A．cut up | B．cut down | C．cut off | D．cut out |
Most of the children went to sleep.Why are you still________？
| A．awake | B．asleep | C．wake | D．sleep |
—Tony is six and he is_______his sister Jane.How old is Jane?—Three.
| A．twice as old as | B．two years older than |
| C．as old as | D．three years younger than |
The fastest plane made by the USA can fly 10，000 meters______ the sound per hour.
| A．less than | B．more than | C．faster than | D．slower than |
John Smith is_______of the two young men.
| A．tall | B．taller | C．the taller | D．the tallest |