用适当的动词和情态动词填空 They couldn't find any secrets.=They ( )not( )to find any secrets.

英语用适当的情态动词填空 用适当的情态动词填空. 用适当的情态动词填空 用适当的动词和情态动词填空 They couldn't find any secrets.=They ( )not( )to find any secrets. 用适当的情态动词填空+选择填空 初三英语用适当的情态动词填空快来啊急急急! 用动词的适当形式填空时,怎么判断用BE动词,还是用情态动词 用动词的适当形式填空时,怎么判断用BE动词,还是用情态动词 用适当的动词和情态动词填空 .Wash your face at once. =You ( )wash your face at once. As students,you( ) work hard用适当的情态动词填空 She will come back soon;you_____be worry用适当的情态动词填空 I （ ）not nut admit that something was wrong.用适当的情态动词填空 行为动词和情态动词的区别? 英语填空情态动词 选用情态动词填空. couldn't 同义句为什么要变过去式用适当的动词和情态动词填空 They couldn't find any secrets.=They ( )not( )to find any secrets.was able问：1.为什么不是were,able2.能否是are ,able？抑或因为could 是can 的过去式 need的情态动词和实意动词什么时候用实意动词,什么时候用他的情态动词 用括号内动词的适当时态和语态填空