Howcanyou_____andwatchthecountrygotoruin?
A、standbyIwasoverjoyedatthenewsofmycounty_____somuchprogress.
Theequipment_____outoforder,theexperimenthastobeputoff.
Theyfulfilledtheplanmuchearlierthanthey_____
ExcelEnergyCorporation'snewonlinetrainingprogramhas_______(interact)featuresandforumdiscussionsfortrainees.
Hegavetheorderthatnothing_____untilthepolicearrived.
