Only when he reached the tea-house ______it was the same place he’d been in last year.
| A．he realized | B．he did realize |
| C．realized he | D．did he realize |
. I guess many a football fan ______ watching 2010 FIFA World Cup South Africa.
| A．enjoy | B．enjoys | C．are enjoying | D．were enjoying |
. Don’t have the lights ______ all day long. It is a waste of electricity.
| A．burn | B．burned | C．burning | D．to burn |
. Either you or the headmaster ______ the prizes to the gifted students.
| A．is handing out | B．are to hand out | C．are handing out | D．is to hand out |
. The 2010 Shanghai World Expo is well worth ______.
| A．visit | B．visited | C．to visit | D．visiting |
I am interested in traveling. It is ______ but ______.
| A．interesting; tiring | B．interested; tired |
| C．interesting; tired | D．interested; tiring |