【创新设计】2018-2019学年北师大版高一英语必修四课件：Unit10（共28张）L40-302edu教育资源网

3 ． For one who prefers not to be disturbed in a crowded environment, which of the following may be his first choice?____.

A．Remote headphone. B．Mini Camera. C．Special Jewellery for ears. D．Feline Floor Cleaner.

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