when the plane takes off这句话是什么意思

Have you_____(查明)when the next plane takes off? when the plane takes off这句话是什么意思 Do you know when the plane takes off?为什么不用将来时when the plane will take off You should turn off your mobile phone when the plane _______.A takes in B takes up C takes off Do you know _____?A.when the plane takes offB.when does the plane take offC.when will the plane take off You should () when the plane takes offA:find B:find out C:look D:ask for Plese what time the plane takes off. Wheels will go inside the plane when it ____.A.lands B.takes off C.puts on D.puts off Do you know _______ the plane takes off?A.when B.while C.if D.what选什么,问什么? Do you know when the plane ()?A.takes off B.will take C.takes away D.takes fromIs not it () to see a UFO landing in front of me?A.amazed B.surprised C.amazing D.excited Paul takes the plane to London.=paul goes to London by plane/_____air. when where the plane arrive/arrive in 翻译句子：When the law takes effect , The plane takes off at 9.15 in the morning 同义句 The plane （）takes off （）9.15 in the morning The plane takes off at 8 o'clock The plane will take off at 8 o'clock 都可以吗. the plane takes off at xx time.我概念不清the plane takes off atthe plane take off at主语不是the plane 不是单数吗?那谓语也应该单数 take You should get to the a____ before the plane takes off. the plane when we got to the airport