One of the greatest benefits of Internet friendships is that they are based on common interest ________ appearance, age or popularity.
| A．in case of | B．in the form of | C．in spite of | D．instead of |
I have to turn to my teacher for help, because this math problem is rather difficult______.
| A．worked out | B．to be worked out | C．working out | D．to work out |
They desired that they __________ the right to attend the meeting.
| A．had | B．have | C．has | D．were |
They talked a lot about the things and persons ________they saw in the Vancouver Winter Olympics.
| A．which | B．that | C．whom | D．what |
We didn’t know you were in trouble at that time, _______ we would have given you a hand.
| A．while | B．when | C．therefore | D．otherwise |
She remained ______ for a while after the movie ended, which made others ______.
| A．sitting; puzzling | B．sat; puzzled |
| C．seated; puzzled | D．seated; puzzling |