Much labor would have been saved if the electronic computers_____________ before.
| A．had invented | B．were invented |
| C．should have been invented | D．had been invented |
It was a pity that the great writer diedhis works unfinished.
| A．for | B．with | C．from | D．of |
The man used what he had _____ his wife a diamond ring.
| A．to get | B．got | C．bought | D．buy |
—Since you like the fur coat so much, why not buy it?
—Well, I can’t afford coat.
| A．that expensive a | B．that an expensive | C．so expensive | D．such expensive |
No sooner had he finished his talk he was surrounded by the workers.
| A．as | B．then | C．than | D．when |
physics, he likes maths better.
| A．Likes | B．Though much he likes | C．Much as he likes | D．Much although he likes |