In order to catch the first underground train, they had to ______ all the way.

[　　]

A. keep to run　　　　B. keep running

C. kept to run　　　　D. kept running

Do we have to ___________ quiet while ___________ to the concert?

　　A.keep；listen　　B.keeping；listening

　　C.keeping；listen D.keep；listening

The best way of learning a language is using it. The best way of learning English is talking in English as much as possible. Sometimes you'll get your words mixed up(混合) and people will not understand you. Sometimes people will say things too quickly and you can' t understand them. But if you keep your sense of humor(幽默感)，you can always have a good laugh at the mistakes you make. Don't be unhappy if people seem to be laughing at your mistakes. It's better for people to laugh at your mistakes than to be angry with you，because they don't understand what you are saying. The most important thing for learning English is："Don't be afraid of making mistakes because everyone makes mistakes."
【小题1】The writer thinks that the best way for you to learn a language is ____.

Jack is a twenty-year-old young man. Two years ago, when he finished middle school, he found work in a shop. Usually he works until ten o'clock in the evening. He is very tired when he gets home. After a quick supper he goes to bed and soon falls asleep. His grandma lives downstairs. She is happy with him.
One day, on his way home, he met Mary. They were both happy. He asked the girl to his house, she agreed happily. He bought some fruit and drinks for her. And they talked about their school, teachers, classmates and their future . They talked for a long time.
"Have a look at your watch, please," said the girl. "What time is it now?"
"Sorry, something is wrong with my watch," said Jack. "Where's yours?"
"I left it at home."
Jack thought for a moment and found a way. He began to stamp his foot on the floor, "Bang! Bang! Bang!"
The sound woke his grandma up. The old woman shouted downstairs, "It's twelve o'clock in the night, Jack. Why are you still jumping upstairs?"
【小题1】Jack was ________ when he finished middle school.