his father had come, his face lit up.
| A．Having heard | B．When he heard | C．Hearing | D．When hearing |
Look at the trouble I’m in! if only I ____your advice.
| A．followed | B．. would follow | C． had followed | D． should follow |
The Chinese are proud of the 29th Olympic Games ____in Beijing 2008.
| A．hold | B． holding | C． held | D． to be |
It is ____world of wonders, ____world where anything can happen.
| A．a; the | B．a; a | C． the; a | D． /;/ |
Nick is looking for another job because he feels that nothing he does____ his boss.
| A．serves | B．. satisfies | C．promises | D．supports |
In the botanical garden we can find a(n)____of plants that range form tall trees to small flowers.
| A．species | B．group | C． amount | D．variety |