---Must he come to sign this paper himself?
---Yes．He______ ．
| A．need | B．must | C．may | D．will |
Everybody’s fingerprints are _______, so the police can easily find the thieves if any is left when they’re stealing.
| A．single | B．particular | C．special | D．unique |
Knowing how long the test would last, the students who finished _______ back and waited until the end of the exam.
| A．settle | B．settled | C．settling | D．to settle |
I thought things would get better, but _______ it is they are getting worse.
| A．before | B．because | C．as | D．after |
The dull wetland _______ the moment the first ray of sunlight shines on it. Thousands of creatures living in it wake up and begin their life of a new day.
| A．stays alive | B．begins to live | C．makes a living | D．comes to life |
Experts say walking is one of the best ways for a person to _______ healthy.
| A．handle | B．stay | C．maintain | D．reserve |