Viết lại những câu này sử dụng cấu trúc ''if''
1 he smokes so much, perhaps that's why he can't get rid of his cough
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2I haven't the right change so we can't get tickets from the machine.
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3 They speak French toherr, notnglish, so hẻ English doesnn't improve
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4 He doesn't work overtime, so he doesn't earn as much as I do
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5 My rumber ín't in the directory so peopledon't ring me up
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6 He is very thin perhaps that's why he feels very cold
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7 I'm fat; that's why I can't get through the bathroom's window
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