- 问题详情: (1)waslisteningattentivelyinclass,______(fix)hiseyesontheblackboard.(2)sideswereanxious______theagreementshouldbesignedasquicklyaspossible.(3)esandgentlemen,pleaseremain______(seat)untiltheplanehascometoacompletestop.(4)willputofftheoutingu...
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