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!A. Is it B. Isn’t it C. Aren’t they( )29._______time they had yester...

t.发生的一切证明我们的政策是对的。Whether we'll go depends on the weather.我们是否去要看天气。_sitenam...

ronaut succeeded inlandingon the moon.A.that B.whichC.inwhichD.when12..We often ...