题型:问答题 简答题 —What were you doing when I phoned you last night? —I my painting and was starting to take a bath.A.have already finishedB.was finishing C.had just finishedD.was going to finish 查看答案
题型:问答题 简答题 力的作用效果:力可以改变______,力可以使物体发生______.物体运动状态的改变,是指物体运动______的改变或运动______的改变或它们同时改变,要改变物体的运动状态,就必须对物体______. 查看答案