[单项选择]Only after ________ five times, ________ answer me.
A. telling me; she did
B. be spoken; did she
C. being asked; did she
D. saying; did she

[单项选择]There are only five minutes left before the train leaves. You should run ______.
A. fast as possible as you can
B. as quickly as you can
C. as fast as possible
D. possible as fast as you can

[单项选择]We have got only five textbooks for the children ______ we need ten. So I'm afraid they will have to share.
A. because
B. since
C. when
D. once

[单项选择]

Passage Four
If we had to rely on only five senses for survival, we would be in very sad shape indeed. We wouldn’t know up from down. We wouldn’t know when to eat or drink. We wouldn’t know what our muscles were doing or what position our limbs were in. We wouldn’t know when our body was damaged, because we wouldn’t feel pain. We might freeze to death without even a shake, or overheat without a drop of sweat. The five senses--touch, taste, smell, hearing and sight--respond only to stimulation from the out- side world, but the inside world of our bodies must also receive and respond to important messages.
Our internal senses keep us alive and enable us to use our external senses. In effect, the internal senses tell our brains how to run our bodies. Hunger and thirst register in a part of the brain called the hypothalamus, when a lack of food chemicals are detected in the blood.
Another internal sense that controls our ba
A. can use only in emergencies
B. may not understand at present
C. never realize we have
D. do not actively use in everyday living

[单项选择]

Passage Four If we had to rely on only five senses for survival, we would be in very sad shape indeed. We wouldn’t know up from down. We wouldn’t know when to eat or drink. We wouldn’t know what our muscles were doing or what position our limbs were in. We wouldn’t know when our body was damaged, because we wouldn’t feel pain. We might freeze to death without even a shake, or overheat without a drop of sweat. The five senses--touch, taste, smell, hearing and sight--respond only to stimulation from the out- side world, but the inside world of our bodies must also receive and respond to important messages. Our internal senses keep us alive and enable us to use our external senses. In effect, the internal senses tell our brains how to run our bodies. Hunger and thirst register in a part of the brain called the hypothalamus, when a lack of food chemicals are detected in the blood. Another internal sense that controls our balance is maintained by t
A. can use only in emergencies
B. may not understand at present
C. never realize we have
D. do not actively use in everyday living

[单项选择]They ______ only five tractors two years ago．
A. gained
B. obtained
C. accepted
D. possessed