While the plane is taking of or landing,make sure your seat belt( ) A.fastens B.is fastened句子里make sure是谓语为什么还能选B呢?

The plane hasn't arrived yet.Could you tell me________?A.why the plane is late B.how is the plane lateC.when will the plane arrive D.that the plane arrives what is the plane?tyr look the plane is so() The plane hasn’t arrived yet.Could you tell me____?横线处填A why the plane is lateB how is the place lateC when will the plane arrive He's got himself into a dangerous situation____he is likely to lose control over the plane.wher...He's got himself into a dangerous situation____he is likely to lose control over the plane.where which while why thank you! While the plane is taking of or landing,make sure your seat belt( ) A.fastens B.is fastened句子里make sure是谓语为什么还能选B呢? The train is than the plane.(slow) The plane is flying _______ the cloud the plane is close什么the clouds the plane is moving down the runway. The function f,defined by f(t)=6+cos(t/40)+3sin(7t/40),is used to model the velocity of the plane,in miles per minute,for 0≤t≤40.According to thhis model,waht is the acceleration of the plane at t=23?What is the average velocity of the plane,in m 9.He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.A.where B.which C.while D.why is,in,plane,the,there,sky,a 翻译：The plane is leaving for Shanghai. the plane is flying（ ）our heads The white model plane is hers this is the plane of british (a ) I haven't finished the model plane but the time is r_______ out.-_,-|||各路神仙帮忙填个词...