Edward,youplaysowell,ButI______youplayedthepiano.
A.didn’tknowB.hadn’tknown
C.don’tknowD.haven’tknown
正确答案:A
Edward,youplaysowell,ButI______youplayedthepiano.
A.didn’tknowB.hadn’tknown
C.don’tknowD.haven’tknown
正确答案:A上一篇 内力作用主要影响河流的A. 流向 B. 含沙量C. 汛期 D. 流量
下一篇 What do you mean, there are only ten tickets? There _____ be twelve.A. shouldB .would