高一英语的问题
1、Itisnotthetoolsheusesbuthowhe_____thetoolsthat____himafamousscientist.
A.uses...hasmadeB.hasused...hasmade
C.uses...hadmadeD.hasused...hadmade
2、Iwouldhavecomeearlier,butI____thatyouwerecoming.
A.wouldn'tknowB.hadn'tknow
C.didn'tknowD.haven'tknown
3、Hardly______he_______theWorldTradeCenterthanitcollapsedinaroar(leave)
都是不会的教我一下需要详细的解释