Which has a different sound from the other three?
| A．school | B．room | C．food | D．good |
—What do you think of Mr Green?
— I find ____ difficult ______ with it.
| A．it, work | B．it is, working |
| C．it, to work | D．it was, to work |
—I don’t know why your English grades are always very good.
—Let me tell you. _____ you work, ____ results you will get.
| A．The harder, the best | B．The hard, the good |
| C．Harder, better | D．The harder, the better |
—Jack works very hard, but he can’t get good grades in exams.
—That’s because he can’t study____.
| A．carefully | B．successfully |
| C．wisely | D．quickly |
—You are always full of energy (活力). Can you tell me the ____?
—Taking lots of exercise every day.
| A．habit | B．ability | C．plan | D．secret |
Lin Feng has to make a living by himself because his parents have ______ for years.
| A．die | B．dead | C．died | D．been dead |