we mustn't cross the road if the light __red.A.turning B.are C.turns D.is

you mustn't cross the road now! when the red light is__ ,we mustn't cross the road a.in b.off c.on d.in we mustn't cross the road if the light __red.A.turning B.are C.turns D.is 选择填空:We mustn't cross the street ____the light is gieen.( )We mustn't cross the street ____the light is gieen.A while B because C after D until原因 you mustn't cross the road now否定祈使句 原因 YOU mustn't cross the road now变为祈使句 1.Look[ you mustn't cross the road now.填空 hurry up ,the bus is coming ---oh,no.we mustn't cross the street()the traffic are green.A after B since C while D until 要说为什么 You mustn't cross the road here.这句话祈使句是什么? 1.you mustn't ( ) (cross) the road now.2.look!what are they ( ) (do) now. We mustn't use the things ____(pollute) the environment. li lei ,hurry up the bus is coming .ON ,no.we ____ cross the street until the traffic lights turn green .A.mustn't B.may not C.needn't D.have to The sign No smoking means we mustn't smoke here we mustn't play in the kitchen 翻译意思 street on Don't the play 2.them you write Can3.mustn't You road the cross Don't cross .We must wait ()the green light You-------miss the lesson ,though we --------------have it on Thursday.A mustn't;needn't B needn't;mustn't C mustn't;mustn't D needn't;needn't 用unless改写句子.(1)We deal with our problems .We can easily become un-happy.(2)It is sunny .We won't have a picnic .(3)You have finished your homework.You can't play football.(4)The lights turn green .You mustn't cross the road.