This missile is designed so that once _____ nothing can be done to retrieve it.

—Can you take the day off tomorrow ?

—Well， I‘all have to get（）from my boss.

MissGreenwas____$100fordrivingafterdrinking.

If a substance is dissolved in water or heated ， it may （）a gas.

WhenthepoliceofficerswhotookpartintheKingbeatingwerefirstbroughtto___________,theirlawyersusedthevideotapeasevidenceagainsttheprosecution.