危险化学品装卸金属软管,应当进行定期检验。未经定期检验或检验不合格的金属软管，可以继续使用
1、正确错误
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Mrs.Londonhas____thatsheisunabletogetajob.
Athleticability
Thepoliceman[halted]thespeedingcartoseeifthedriverwasdrunk.
Asthenumberofparticipantshasincreasedfrom60to98,wewonderifwecanuseLectureHall'A'as'B'willbetoosmall.
Theypromised____eachotherwhentheywenttowork.
