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,

问题描述:

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?

1.mustn't
2.may
3.is
4.are
5.am