He is__________ outgoing student from _________ university in America.
| A．a;a | B．a; an | C．an; an | D．an; a |
He is too tired ______ any more.
| A．not to walk | B．to walk | C．walking | D．not walking |
____his surprise, he passed the exam.
| A．On | B．In | C．To | D．At |
_____should not be allowed to go out at night.
| A．Twelve-year-old | B．Twelve-year-olds | C．Twelve year old | D．Twelve years old |
---My brother is a basketball player.
---And he usually_____ very hard on the playground.
| A．has practiced | B．is practicing | C．practices | D．practiced |
---Who’s that boy?
---Liang Bo. He is___ very popular singer in Voice of China.
| A．the | B．an | C．a | D．/ |