You should keep it outside the case when you carry it.
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Youshould open the doors when you use it.
A. 对
B. 错
You shouldn't touch the lint filter.线头滤器
A. 对
B. 错
You shouldn't put any soap in it .
A. 对
B. 错
You shouldn't put your hands under the machine.
A. 对
B. 错
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