--- Catherine, I have cleaned the room for you．
---Thanks．You _______ it．I could manage it myself．
| A．needn’t do | B．shouldn’t have done |
| C．mustn’t do | D．needn’t have done |
________ had Mike picked up the ball________ another player took it from him.
| A．Hardly; when | B．Not; until |
| C．No sooner; when | D．Not until; when |
If only he________ quietly as the doctor instructed, he would be better now.
| A．lies | B．should lie |
| C．had lain | D．laid |
_______ a report, some 844 animals and plants have disappeared in the last 500 years.
| A．According to | B．Apart from |
| C．In addition to | D．Despite |
Chinese medicine has amazed many people around the world with its different________ to health.
| A．method | B．way | C．means | D．approach |
It is strongly ______ that the machines should be checked every year.
| A．recognized | B．recommended |
| C．recorded | D．recovered |