caused the accident is still a complete mystery.
| A．What | B．That | C．How | D．Where |
_______ you have got such a good chance, you’d better make full use of it.
| A．Now that | B．Although | C．As soon as | D．Even if |
The next morning she found the man ___ in bed, dead.
| A．lying | B．lie | C．lay | D．laying |
As we have known from the map of the world, this is ______.
| A．twice as large an island as that | B．twice as larger as that island |
| C．as twice as that one | D．twice as a large island as that |
He is not easy-going, but his trust in his friends will last forever once _______.
| A．to be gained | B．is gained | C．being gained | D．it is gained |
The reason ____ he was late for school was _____he had to send his mother to a hospital.
| A．that; why | B．why; because | C．why; that | D．that; because |