Professor Jordon is well known for his _____ into the habits of the common housefly.
| A．examination | B．introduction |
| C．research | D．expression |
The poor boy the test again; in that case, his mother will be very disappointed.
| A．must have failed | B．might fail | C．could have failed | D．should fail |
It’s said that there are plenty of hotels in that town. There be any difficulty for you to find somewhere to stay.
| A．wouldn’t | B．mustn’t | C．shouldn’t | D．needn’t |
I have written to him because he phoned me shortly afterwards.
| A．ought to | B．must | C．couldn’t | D．needn’t |
From what I learn about their hotel, the service and the weather, they their holiday very much.
| A．couldn’t have enjoyed | B．shouldn’t have enjoyed |
| C．needn’t have enjoyed | D．can’t have enjoyed |
They’ve us ￡150,000 for the house. Shall we take it.
A. Provided B. supplied C. shown d. offered