Supposing the plane doesn't arrive on time ,we __ postpone the meeting.A.will have toB.couldC.have had toD.are having to为什么?请详细说明每个选项.

Supposing the plane doesn't arrive on time ,we __ postpone the meeting.A.will have toB.couldC.have had toD.are having to为什么?请详细说明每个选项. Suppose(supposing) we win the game.suppose和supposing都可以吗? on the plane还是in the plane plane跟the plane的区别 hit the plane was the plane 什么the plane miss the plane 中文 The plane is__the grass The pink plane f______higher than the white plane.咋填 _____ _______ the plane上飞机 fly the plane to sp. what is the plane?tyr look the plane is so() The plane was flying high.. on board the plane中plane做什么成分 on plane与on the plane的区别 take plane和take the plane有什么区别?