we still have two hours left.为什么用left这里为什么用过去分词呢？

we have discussed for two hours ,but we still have some d__ We have got some chairs,but we still need_______.A.two more B.two another C.more two D.other two we still have two hours left.为什么用left这里为什么用过去分词呢？ though we have spent two nights in the problem,we still can't find a solution.填空,在in 后面 We have two computers.Still we are going to have__one.Athe third.Ba third 为什么不选A the plane （take ） off at four .we still have two hours to get ready是 wil take 还是其他 We still have chance to do. we still have ten minutes什么意思 we still have ( )apples at home We have two computer rooms.Still we are going to build _____ one.A.The third B.a thirdC.threeD.the three.知道选B,为何 We still need two ___ (many) students to help us. We have two ____every month (party) We have two ___（party) this year. at least we have two more left Between two classes ,we have b( ) between two classes,we have a b___ we have eight什么and two 什么 We have two computers.改为一般疑问句