you should be careful when___(cross) the street in big cities到底是cross还是crossing?

填空: Jim, you should listen to your teacher carefu填空:Jim, you should listen to your teacher carefully (). 英语小作文 关于读书Direction：For this part,you are required to write a composition on the topic：On Reading Books.You should write at least 120 words following the outline given below：1.Books serve different purposes.2.We musr be carefu you should be great You should be mine i should be over you i should be over you you should( ) (not be)careless you should be sorry to i should be over you You Should Be Dancing 歌词 he should be you 歌词 you should be here 翻译 If I should disappear,should you be very sad? You should be more careful next time. Not everyone should be good to you You are my love should not be? You should be ________ careful.怎么填 You should(?)（be）careful.是什么 Not everyone should be good to you.