---Look at these tracks. It _____ be a wolf.”
---Don’t be so sure. I think it _____ be a fox.
| A．must; could | B．may; might | C．need; must | D．could; need |
Over 800 pages of the earliest surviving Christian Bible have been recovered and made _______ on the Internet.
| A．flexible | B．brilliant | C．conventional | D．available |
She was _______whether to follow her husband to go abroad or to stay at home to look after her parents.
| A．taken between | B．taken up | C．taken off | D．taken away |
The group gets smaller as members move away or _______.
| A．leave out | B．drop out | C．cut in | D．fill up |
Scientists conclude that female cats tend to favor their right paws when _______ complex tasks.
| A．knocking about | B．bringing in | C．holding up | D．taking on |
There are hundreds of people desperate to _______ an orphan whose parents were killed in the Haiti earthquake.
| A．receive | B．educate | C．adopt | D．abuse |