________ Yao Ming has retired from the NBA, the pleasure we have got by watching him play basketball at home and abroad will last long.
A. While B. When C.As D. Since
The ________ soldier said it was ________ to give up his rest time to save more people caught in the earthquake.
A. worth; worthy B. worthy; worthwhile
C. worthwhile; worth D. worthy; worthy
What shall we use for power when all the oil in the world has ________？
A. given out B. put out C. held up D. used up
Don’t ________ more work than you can do, or you will ________.
A. take over; break in B. take on; break down
C. take over; break off D. take on; break in
Experts have found that the disease will lead to a greater increase in the number of sufferers unless ________ seriously when the symptom first appears.
A. treated B. to be treated
C. being treated D. be treated
To improve their oral English, everyone in the class is supposed to ________ actively in these discussions.
A. participate B. attend C. enter D. take
