The equipment _____ out of order, the experiment has to be put off.
B
暂无解析
Anyvisitorstotheproductionfacilitiesmust____asecuritypassfromtheinformationdeskatthefrontentrance.
Heisvery_____andwell-qualified,soheshouldreachthetopofthisprofession.
Hegavetheorderthatnothing_____untilthepolicearrived.
Iwasoverjoyedatthenewsofmycounty_____somuchprogress.