Regardless of ________ the obstacles in this life may be, I will run my race to the best of my ability.
| A．what | B．how | C．which | D．where |
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 |
The windows haven’t cleaned for a long time. They need ______.
| A．to clean | B．to be cleaned | C．cleaning | D．B and C |
I can’t help being touched_____ I see the photo of the little Afghan girl crying over her mum’s body
| A．each time | B．at each time | C．each time that | D．each time when |