________ you had been here, we wouldn ’ t have had so much trouble then.
A、whenB
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Thedelegation________RussiawillvisitLondonthisafternoon.
Everyone is excited by the news, ________________?
Theirplanearrived________SanFranciscothismorning.
WithanappropriaterelativepronounMybrotherspeaksEnglishfluently,________Idon’t.
than,as,more,most,theThe________informationthatcomesin,________moreconfusedthepicturebecomes.