When I was a child, I ______ watch TV whenever I wanted to.
| A．should | B．could | C．must | D．need |
The dancers, all of _______ masks came off suddenly, gave us a great surprise.
| A．their | B．whose | C．which | D．whom |
The 30th Olympic Games, _______ between July 27 and August 12 in 2012, will take place in London.
| A．classified | B．assessed | C．scheduled | D．committed |
—Which skirt do you prefer, Lucy?
— _______ I'm concerned, the purple one is better.
| A．As far as | B．As long as | C．As soon as | D． As much as |
Every camera we sell in our shop comes with a two-year _______ .
| A．guarantee | B．safety | C．evaluation | D．instruction |
_______ not to drive after drinking, some drivers are still trying their luck, which is really dangerous.
| A．Being reminded | B．To remind |
| C．Having reminded | D．Reminded |