_______ he had not hurt his leg, John would have won the race.
| A．If | B．Since | C．Though | D．When |
The girl went to have piano lessons at the training center with her sistershe would stay for an hour.
| A．who | B．where | C．which | D．what |
—Thank God! This school term is coming to an end!
—Yeah, after all that hard work, we alla holiday.
| A．preserve | B．observe | C．reserve | D．deserve |
Although her diseaseher eyesight and forced her to leave the dance floor, she refuses to fall into self-pity.
| A．has affected | B．affected | C．affects | D．had affected |
Ihave passed my examination easily, but I made too many stupid mistakes.
| A．must | B．will | C．shall | D．could |
—Are you still working in that company, Mary?
—No, it is ten months ____ I worked there.
| A．after | B．that | C．before | D．since |