Life____beveryhardforpeoplelivinginthenorthofCanadaasitisverycoldthereinwinter.—Yes,theweatherthere_____beaslowas60℃belowzero.

te talking with that guy Look, he iscoming What should I do— Don’t speak until ____

________ I watch TVnow,Mom? —No.It’s too late ,and you ______ go to bed.

Mum, the meat on the table tastes _____. —You shouldn’t eat any of it. Just throw itaway.

下列各句中，加点的成语使用恰当的一项是(　　)