54._________A. stoppedB. startedC. keptD. continu

Success is not won ________. It takes patience, diligence and continuing efforts.A、twi

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The Norman Conquest started a continual flow of French words into English. _________

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If we ______ sooner, we might have got there.A．startedB．had startedC．would have startedD．s

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Not until it was completely dark______working.A．had they stoppedB．they stoppedC．they didn"

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Its high time we ______ cutting down the rainforests.[2006]A．stoppedB．had to stopC．shall s

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__________ specifies the feature of [＋continuant] .A、all the fricativesB、all the fricat

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How can I ever concentrate if you_________ continually _________ me with silly questions?A

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