According to Aristotle，we are ________ we repeatedly do.Excellence then，is not an act，but a habit.
| A．which | B．when | C．where | D．what |
All the teachers and students _________ National Day with a party.
| A．celebrated on | B．celebrated |
| C．congratulated on | D．congratulated |
The stones each ________ as much as two tons.
| A．weighs | B．are weighed | C．weigh | D．is weighed |
________ to overcome the difficulty，he works day and night．
| A．Determined | B．Determining |
| C．To determine | D．To be determined |
一Did he notice you enter the classroom?
一I don’t think so．He _______ to the radio with his eyes shut·
| A．1istened | B．was listening |
| C．has listened | D．had listened |
I think it’s impolite to play ______ trick on others just for ______ fun
| A．a：＼ | B．＼；a | C．the；＼ | D．a；a |