81. 他是穷还是富，那没有什么影响。(make no difference) ____________________

81. 他是穷还是富，那没有什么影响。(make no difference)

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82. 英国英语和美国英语在很多方面都有区别。

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83. 我正要购物，这时他给我打电话。(be about to)

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84. 火车应该在9点15到达，但实际上经常晚点。(in practice)

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85. 司机们开着车就过去了，把人体交通标志视为理所当然。(现在分词做伴随状语)

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81.

82. British English and American English are different in many ways.

83. I was about to shop, and he called me.

84. The train should arrive at 9:15, but in practice it is often late.

85.  Drivers drove past, taking human traffic signs for granted