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A. AlthoughB. WhetherC. SinceD. When
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A.AfterB.BeforeC.SinceD.Behind
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A.afterB.beforeC.sinceD.till
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John fell asleep he was listening to the music.A.afterB.beforeC.whileD.as soon as
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The train had left() Apce hurried to the railway station.A. afterB. asC. whileD. when
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Were working______the clock to accomplish the proposal before Tuesday.A.afterB.beforeC.aga
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【B12】A.agoB.beforeC.sinceD.once