________youhadbeenhere,wewouldn’thavehadsomuchtroublethen.
B
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When________totellthedifferencebetweenBritishandAmericanEnglish,thelinguistmadealongand________speech.
Thedelegation________RussiawillvisitLondonthisafternoon.
Hecannotchoosehisownjob,________canI.
Ithinkhisfailureintheexperimentresulted________hiscarelessness.