The students entered the classroom, smiling and _______, and _____ down to have their lessons.
A. talked , sat B. talking, sitting C. talking , sat D. talked; sitting
If your knowledge can be in some way ______ with my experience， we are sure to succeed.
A．joined B. connected C. united D. combined
If you put too many oranges in that paper-bag it will _____.
A. spread B. explode C. crash D. burst
The physics teacher told the students to observe carefully what would happen when a (n) _____ acted on the object.
A. force B. energy C. power D. strength
Practising Chinese kung fu can not only _____ one’s strength, but also develop one’s character.
A. bring up B. take up C. build up D. pull up
Whom does the money the government spends_____, the farmers, the workers or the businessmen?
A. encourage B. discuss C. benefit D. treat
