______ that no one was ever prepared for it.A.So suddenly d..

______ that no one was ever prepared for it.A.So suddenly did the bad news come B.So suddenly the bad news cameC.So did the bad news come suddenly D.Did the bad news come so suddenly

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Only when he met the girl his aunt introduced to him ____ th..

Only when he met the girl his aunt introduced to him ____ that he had seen her before. [ ]A. he realizedB. he did realize C. realized heD. did he realize

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Little __________ that we were watching his every move, so ..

Little __________ that we were watching his every move, so he seemed to be going his own way in this business. A.he realizedB.he didn’t realizeC.didn’t he realizeD.did he realize

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If _____ carefully, the experiment will be successful.A.do..

If _____ carefully, the experiment will be successful.A.doB.doesC.doneD.doing

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– Who should be responsible for the accident? – The boss, n..

– Who should be responsible for the accident? – The boss, not the workers. They just carried out the order _____.A.as toldB.as are toldC.as tellingD.as they told

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