6、可用于各种人称,表示过去的习惯。选A。实战中考【2011本溪】Sally is ______ in class now,but she used to be a very shy girl.A. honestB. activeC. quietD. silentBHe_______listentopopmusic,butnowhe_______dancing.A.isusedto;usedtoB.useto;isusedtoC.usedto;isusedtoD.usedto;usedto【点拨】选C。句意:他过去常听流