In that school, German is compulsory for all students, but English and French are_______.
| A．special | B．regional | C．optional | D．original |
--- What do you know about Darwin after he returned from the trip by sea?
--- Well, he got married and _____ down to live in Kent.
| A．got | B．worked | C．took | D．settled |
Tom is _____ to miss the early bus because he got up late.
| A．possible | B．probable | C．likely | D．maybe |
I’d like to take _____ of this opportunity to thank you for your help.
| A．advantage | B．case | C．use | D．care |
Most people would agree that nuclear science should be developed to benefit the human being ____ harm them.
| A．more than | B．rather than | C．other than | D．better than |
Not until the early years of the 19th century _____ what heat is.
| A．man did know | B．man knew | C．didn’t man know | D．did man know |