爆破员应按爆破设计说明书的规定进行操作，不应自行增减药量或改变填塞长度；如确需调整，应征得现场（）同意并作好变更记录
A、安全员C
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—Haveyoufinishedthework?
—Notyet,butnomatterhowharditis,we'llkeep___untilwemakeit.
Onnoaccount____everleavethebabyathomealone.
—Canyoutakethedayofftomorrow?
—Well，I‘allhavetoget（）frommyboss.
Marytiptoedoverandtooktheclockawaybecauseshehatedtohearit（）whenshewastryingtogotosleep.
Theradiois________astrangesignal.What’swrongwithit?
