One _______ fact is _______ Crystal always keeps a toothbrush in his pocket for good luck when he is the host of the Academy Awards.
| A．little-knowing ; 不填 | B．well-known ; which |
| C．little-known ; what | D．little-known ; that |
We share a_________ purpose, so let’s help each other.
| A．common | B．ordinary | C．general | D．ordinary |
It was a _____ evening and I really had a good sleep.
| A．calm | B．silent | C．quiet | D．still |
Is your ring _____ gold?
| A．real | B．true | C．actual | D．factual |
He has a _______ knowledge of animals.
| A．brief | B．folk | C．flat | D．broad |
You’d better put the milk in the fridge, which has a _______ to go bad in hot weather.
| A．currency | B．tendency | C．trend | D．way |