All of us found ______ difficult to work out the maths problem.
| A．what | B．that | C．which | D．it |
Not much impressed ________ the performance, half the audience left before it was over.
| A．on | B．in | C．by | D．at |
It was at the school gate _______ I met an old friend of mine after class.
| A．why | B．which | C．where | D．that |
He ________ an interest in drawing when he was only a child and now he is a famous artist.
| A．affected | B．developed |
| C．increased | D．raised |
Because of the Asian Games in Guangzhou, Lin Dan and Xie Xingfang had to _______ their wedding.
| A．put off | B．put out | C．put up | D．put down |
Nancy is _______ dancing, and she keeps dancing till midnight every day.
| A．curious about | B．crazy about |
| C．worried about | D．concerned about |