It's bad to play a joke______others.这句话用什么介词或副词填空?

It's bad to play a joke______others.这句话用什么介词或副词填空? it 's time to play a ball it is bad luck to play an April Fool's joke on someone after midday 翻译 It's bad m______ to talk with a full mouth it's a bad habit to throw bottles----- It's time () play games.A.forB.onC.to It's bad for the studens____(play)for long. although it's not easy to tell_______ it's good or bad.a if b.whether It’s bad for your health to play the CDs too loud.（同义改写）_______ the CDs too loud ______ bad for your health. 11.It’s important ( ) the piano well A.of him to play B.for him to play C.of him playing11.It’s important ( ) the piano wellA.of him to playB.for him to playC.of him playingD.for him playing12.Smoking is bad for your health ,you’d better ( )A.g It's bad manners to ( ) ( )嘲笑others It's to bad.I think ,意思? It's time_____football.Let's get ready for it.A.playing.B.to play.C.play.D.plays It's very _____ important with fire.A.to play not B.play not to C.not to play D.to not play 1The light bulb gives people ___time to work and play every day .A much B more C most D a lot 2what;s wrong with your microwave oven?A IT's a nice one B it's a bad oneC It doesn't work D It never works 3 Do you know another bridge will ____ across Ou It's too dark to play golf It's time ( ) to play games A.come B.to come C.go D.to go The policeman told the students______on the street.It's dangerous.A.to play B.play C.not to play D.don't play请写明原因，