选择正确的答案6Theplane_____not_____yet
The plane_____not_____yet. A.has...tan off B.hae...taken off C.is....taking off D.will...take off
The plane_____not_____yet. A.has...taken off B.hae...taken off C.is....taking off D.will...take off 选择A。not yet表示还没有。飞机是单数名词，所以用第三人称完成式