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课时提升作业(六)
Ⅰ. 单项填空
1. Computer lessons must be to students of all grades, so that they can master this modern communication and learning tool.
A. avoidable B. accessible
C. valuable D. acceptable
2. (2013·成都模拟)I find hard to concentrate on my studies with some people having small talk around me.
A. them B. him C. that D. it
3. —How is Dennis getting along with his work?
—Well, he could always new ideas for increasing sales.
