摘要： You needn’t take your shoes off when you enter someone’s house in Australia , , of course , they’re very dirty . A. if B. except C. when D. unless
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You needn’t take your shoes off when you enter someone’s house in Australia , _____ , of course , they’re very dirty .
- A.before
- B.since
- C.when
- D.unless
You needn’t take your shoes off when you enter someone’s house in Australia , _____ , of course , they’re very dirty .
A. before B. since C. when D. unless
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