有am,is,are,may,mustn't填空.1.Look at the red light,we( )cross the street now.2.Look at the sigh,you( )park your car here.3.There( )some water in the bottle.4.There( )some flowers on the table.5.Who( )I?Can you guess?

有am,is,are,may,mustn't填空.1.Look at the red light,we( )cross the street now.2.Look at the sigh,you( )park your car here.3.There( )some water in the bottle.4.There( )some flowers on the table.5.Who( )I?Can you guess? be动词有那些is,am,are am is are 过去式 是am is are am is are. 用am,is,are am、is、are、 用am,is,are is am are This book ___ Lucy's.Tom's name is on its cover.A.can't be B.mustn't be C.may not be选啥,还有一个辨析的may be not 与may not be 有区别吗 英语am is are的用法有哪些? 是不是动词前面有am is are的都要加ing be动词复数有哪些?am is are的 系动词有哪些?是不是只有am,is,are? 系动词有哪些?是不是只有am,is,are? 英语主语宾语有哪些?像am,is,are AM IS ARE 的用法 am is are的用法