用for或since填空1.Jill has been in Ireland_______ Monday.2.Jill has been in Ireland_______ three days.3.My aunt has lived in Australia_______ 15 days.4.Margaret in her office.She has been there ______ 7 o'clock.5.India has been an indendent country_____ 1974.6.The bus is late.We've been waiting ______ 20 minutes.7.Nobody lives in those houses.They have been empty______ many yeasrs.8.Mike has been ill_______ a long time.He has been in hospita-______October

很简单的，你记住现在完成时中，for+时间段，since+时间点
1.since
2.for
3.for
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5.since
6.for
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8.for since

1.since(切记:since+时间点 for+时间段 哦!)
2.for
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8.for,since.

1.Jill has been in Ireland(since)Monday.
2.Jill has been in Ireland(for)three days.
3.My aunt has lived in Australia(for)15 days.
4.Margaret in her office.She has been there (since) 7 o'clock.
5.India has been an indendent country(since)1974.
6.The bus is late.We've been waiting (for)20 minutes.
7.Nobody lives in those houses.They have been empty(for)many yeasrs.
8.Mike has been ill_(for) a long time.He has been in hospita-(since)October.
since+时间点
for+时间段
这是法则,很简单吧

1.s
2.f
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5.s
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8.f,s.