She __________ play a joke on him in case he becomes angry.
| A．dares not | B．dares not to |
| C．dare not | D．not dare |
The professor would like the students to pay more attention to festivals __________ in other parts of China.
| A．having celebrated |
| B．celebrating |
| C．celebrated |
| D．being celebrated |
Last Monday the teachers and students held a grand ceremony __________ the 80th anniversary of our school.
| A．in support of |
| B．in possession of |
| C．in celebration of |
| D．in praise of |
Driving a car is not as difficult as you imagine, if you __________ the rules.
| A．depend on |
| B．believe in |
| C．turn to |
| D．stick to |
A good idea __________ to me，
and I quickly picked up the phone to tell Jack about it.
| A．struck |
| B．appeared |
| C．happened |
| D．occurred |
So suddenly __________ that people had no time to escape.
| A．did the big fire happen |
| B．the big fire happened |
| C．was the big fire happened |
| D．the big fire was happened |