Your chance _______if you don’t take action at once.
| A．are lost | B．will lost | C．lose | D．will be lost |
We had to the match as the ground was too wet to play on.
| A．call off | B．call up | C．call out | D．call for |
It was 1995 __________ we began to develop the new computer system.
| A．when | B．which | C．since | D．that |
He is _________ to have gone abroad,for I haven’t seen him for weeks.
| A．possible | B．likely | C．probable | D．certainly |
As a teacher, I seldom give my students so difficult a problem_______ they can’t work out.
| A．that | B．as | C．if | D．in order that |
---Mum, I climbed to get the Teddy Bear from the top of the shelf.
---My goodness! You _______ yourself. You _____ do that again next time.
| A．must have hurt; mustn’t | B．should have hurt; can’t |
| C．could have hurt; mustn’t | D．might have hurt; won’t be able to |