don't be so sure 中的be为什么要用原型?

don't be so sure 中的be为什么要用原型? Mike,( ) so sure!A、isn't B、doesn't be C、hasn't D、don't be don't be so sure请问be在这里有什么用? don't so sure没有be行吗? ·Don't be so sure.（so是adj,那sure是adj还是adv?）·Don't be so sure.（so是adj还是adv?sure是adj还是adv?） Don't be so( ). don't be so Don't be so nervous .Try it _________ and you are sure to be successful Don't be so sure请问这里把be去掉可以吗?是不是一定要有呢? -Will you be able to finish the job this month?a.Ican't say so b.i'm not sure soc.I don't know so d.I don't expect so为什么选D呢?请指教! Don't be nervous.You are sure to win!应答语A.I will try it.B.Thank you very much.C.I think so. 选择填空（祈使句）,( )1 .Her doctor said:“________ work so hard”　　A Stop B Don’t C Can’t D No( )2.Sindy,________ to be here at 8 o’clock　　A is sure B is sure that C will be sure D be sure( )3.________ when you cross the roa Don't be so sad.. Don't be so lazy Don't be so stupid... Will you be able to finish the job this time?--------A.I can't say so B I'm not sure so C i don't know so D i don't expect so B 我不确定不是也很对吗,为什么选 D life only lasts for a few decades,so be sure that you don't leave any regrets. Do you think it will be fine tomorrow______ .It has rained for two days.It’s too wet.B.I’m sure it will.C.I hope so.D.I don’t think so. It’s a secret between us.Don’t tell anybody.----sure,____A.I won't B.I will C.I don't D.I doShe said Jack_____come to the qarty,but I don't think so.A.can B.might C.need D.mustwhen _____you _____(begin)to be a volunteer?May be we'll just throw th