After the war, a new school building was put up ______ there had once been a theatre.
| A．that | B．when |
| C．which | D．where |
—John, how did your English exam go?
—I thought I _____, but in fact I came in the top 10% in the class.
| A．should have failed | B．might have failed |
| C．couldn’t have failed | D．mustn’t have failed |
For professional athletes, ________ to the Olympics means that they have a chance to enter the history books.
| A．access | B．attachment | C．appeal | D．Approach |
Try to spend your time just on the things you find _________.
| A．worth doing them | B．worth being done |
| C．them worth doing | D．worth doing |
On snowy days, you have to drive very_________to avoid traffic accidents.
| A．cautiously | B．neatly | C．smoothly | D．Properly |
— You may find the key to the maths problem on page 107.
— Ah, it’s so simple. I wonder why I_________of that.
| A．hadn’t thought | B．haven’t thought | C．didn’t think | D．wasn’t thinking |