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a) might lose, couldn't be stolen b) may have lost, can't have been stolen c) could have lost, must not have been stolen d) ought to lose, shouldn't be stolen 10. You___a message at least! We___for two hours. a) should send, waited b) must have sent, were waiting c) could send, have been waiting d) might have sent, had been waiting 11. The only trouble is that I___my exams in spring and___them now. a) couldn't have taken, must have b) couldn't take, must have c) mustn't have taken, must have had d) can't take, must have had 12. The plane___at 5 a.m. and in this hurry-scurry she___the tickets on the table. a) had to take off, can leave b) was to take off, must have left c) was to take off, needn't leave d) must have taken off, shouldn't leave 13. Why___he take the scandal on himself? It is not a) must, fairly b) may, fair 253
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