James is_______boy.
A.a 18-year-old
B. a 18 years old
C. an 18-year-old
There is _____800-meter-long road behind____ hospital.
A. an, an B. an, theC. a, the
He improved his English a lot listening to the radio.
| A．with | B．by | C．for | D．on |
The students hurried to the classroom the bell rang.
| A．until | B．as soon as | C．if | D．so that |
We were angry him for keeping us waiting
| A．with | B．at | C．for | D．on |
Tony is ________ to go to school.
| A．enough old | B．old enough |
| C．enough young | D．young enough |