have done和have do区别As the road can't meet the need of trainsport,the government has decided to have our company --------- another one.A.to build B.build C.built D.building请问选择B的原因和have done，have do区别

have been done和have been do的区别 may have done和may have done 的区别RTmay have done和might have done may do和may have done的区别 couldn't have done和couldn't do的区别 shouldn't have done 和shouldn't do 区别 seem to do和seem to have done的区别 will have done和will do的区别 done和have done 用法区别RT have ...doing have ...done have...do区别是什么? have sth done和have sth to do和have sth do有什么区别?具体的区别是什么~ could't do 和could't have done还有could do,could have done的区别和用法 have done和have been done 的区别, could have done和would have done的区别 should have done和could have done的区别? 区别shouldn't have done 和 needn't have done should have done 和should not have done的区别 should have done 和have done有什么区别 must have done和have done有什么区别