A good teacher must be able to hold his students’ attention ____ he reaches the end of the class.
| A．when | B．after | C．until | D．unless |
The naughty boy found himself ____ by his teacher when he looked up from his picture book.
| A．to watch | B．being watched |
| C．was watched | D．watching |
Don’t call Mr. Wang at nine tomorrow. He ____ to a lecture on the reform of the college entrance examination.
| A．will listen | B．will be listening |
| C．is listening | D．will have listened |
It’s always cold in Zhejiang in winter, but it ____ be warm at times.
| A．can | B．may | C．will | D．might |
A good teacher has to be able to____ the students’ interest in his or her class for long.
| A．improve | B．take | C．hold | D．contain |
In this world, there is always love for____ who love the world.
| A．ones | B．the one | C．these | D．those |