Some people argue using _____ nature to meet our own needs may spell disaster, unless we start to look around and understand how ______ clean environment benefits us all.
| A．/; a | B．the; the | C．the; a | D．a; a |
. If you can’t settle the dispute by yourselves, I’ll call the police and they’ll ______.
| A．take up | B．take in | C．take on | D．take over |
_______ to wait a long time at the dentist’s, Mike decided to take along a magazine to read.
| A．Expected | B．Not expected | C．Expecting | D．Not expecting |
—We need someone to design the new art museum for us.
—_______ the young fellow have a try?
| A．Shall | B．May | C．Will | D．Must |
Sorry, these two tables are already ______. You may book the one over there.
| A．preserved | B．deserved | C．observed | D．reserved |
—You see, I’m poor in physics and you are not good at chemistry, and……
— That’s _______ we should help each other.
A. when B where C. how D. what