英语题啊？。。！。。？………。。谢谢啊。？？。？。。。。
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参考答案如下：
41. I learn how to have a chat online.
42. The teacher does a research on the Internet.
43. Does he know how to download music?
44. It is easy to find some information on the computer.
45. If you have questions, please put up hands.
助你愉快学习！
41. I learn how to have a chat online.
42. The teacher does a research on the Internet.
43. Does he know how to download music?
44. It is easy to find some information on the computer.
45. If you have questions, please put up hands.
助你愉快学习！
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