( ) 21. --- What do you think of our life
---Life is like riding a bicycle. To keep your ___________, you must keep moving.
A. promise B. position C. balance D. ability
( ) 22. Shopping on TV has made ____ possible for people to buy things without leaving their homes．
A．one B．it C．that D．this
( ) 23. He has failed ___________ times, but he won’t give up a __________ chance.
A. third； four B. three； fourth C. third； fourth D. three； four
( ) 24. --- What do you think of __________ graduation party last Friday
--- It was ___________ great success.
A. a； the B. the； a C. the； the D. a； a
( ) 25. --- Will you help me with the trouble
--- I won’t ________ you tell me the truth.
A. unless B. if C. though D. when
( ) 26. — Bob is a smart boss.
— Yes, so he is. He always does the work with _________ money and _________ people.
A. less； less B. fewer； less C. less； fewer D. fewer； fewer
( ) 27. — How is George now
— The manager __________ him a job, but he refused it.
A. provided B. showed C. passed D. offered
( ) 28. --- Hi, madam. Can I take the story books out
--- No, my boy. They ___________ be taken out of the reading room. It’s a rule.
A. mustn’t B.