Half an hour has been made full ______ of _____ the problem.
| A．using; studying | B．use; to study | C．to use; to study | D．use; studying |
—Yangyang carried off the first winter Olympic _____ medal for China.
—Great! What ____ she won for our motherland!
| A．golden; honour | B．gold; honor | C．golden; honors | D．gold; honors |
When you do exercises, your heart works better. It is able to______ more blood while beating more slowly.
| A．produce | B．pump | C．increase | D．bump |
Before the final examination, many students have shown ____ of tension. Some have trouble in sleeping while others have lost their appetite.
| A．anxiety | B．marks | C．signs | D．remarks |
It’s bad ____ for a man to smoke in the public places where smoking is not allowed.
| A．behavior | B．action | C．manner | D．movement |
One-room schoolhouses can still be found in _____ areas where there are no other schools for many miles.
| A．disposed | B．deserted | C．isolated | D．abandoned |