一．单选 10分
21．---Why did you go back to the shop? ——I left my friend_____ there.
A.. waiting B. to wait C. wait D.waits
22．—Do you know about the accident which happened in the center of the city?
—Yes. But it was some time we realized the truth.
A．before B．when C．since D．until
23. Measures have to be taken to teach young people how to ______ themselves both in family and in school. They don’t know the basic manners.
A. do B. perform C. behave D. work
24. There is no need for you to look up every new word you ______ when reading. You have to learn how to guess the meanings of new word according to the context.
A. come up with B. come out C. come along with D. come across
25. As a laid-off worker, it is hard for her father to ______ the family, let alone send his children to key schools.
A. bring up B. raise C. support D. supply
