So hard-working _____ that he sets a good example to all the other classmates．
| A．he is | B．is he | C．does he | D．he does |
The students，__________ at the way the questions were put, didn't know the answers to them.
| A．they being surprised | B．surprised |
| C．their being surprised | D．them surprised |
__________ news that the national football team was disqualified for the next World Cup finals came as no __________ surprise at all.
| A．/；a | B．The; / |
| C．A; a | D．The; a |
Mr. Alcott told me that four fifths of the houses __________.
| A．have been sold out | B．had been sold out |
| C．were sold out | D．was sold out |
-Got your driving license?
-No. I __________ too busy to have enough practice, so I didn't take the driving test last week.
| A．was | B．am |
| C．have been | D．had been |
The new suspension bridge __________ by the end of last month.
| A．has been designed | B．had been designed |
| C．was designed | D．would be designed |