I don not know.He ___ around here for a long time.a/ has not seen b/ has not been seen 原因What happened to the postman?

I don't know 同意句转I don't know.I __ __ __. where is the railway station?I don't know.合并成一句 I don't know __ __ __ __ __. I don't know if he __ to the movie this evening.If he wants,so ___ I. i didn't know he __( not take)part in the match he know little French ,and __.A neither am i ,B i know little ,too.C nerther don't i D i know little,eitherA 为什么不对? when () Mr White __(leave) home?sorry I don't know I __(not notice) him leavingmother is going __(swim) this afternoon i don't know __ he took part in the walk__i don't know why he took part in the walk.同义句,横线处填什么 i don't know whether it will rain or not .but if it __.i shall stay at homewilldiddoesshall Is Mr.Morrison in his office now?I have a question for himsoory,I don't know ,When __(got to ,had reached,arrived,had arrived at ) his office ,he was not there I don't know （ w ） he will go there or not I don’t know ___________ he is well or not.whether/if,为什么? i don not know the s( ),he is new in my class What if I don't know anyone?同义句What __ __ __ if I don't know anyone sorry,I don`t know.= sorry,I have__ __ I don't know if he __(come) if it ___(rain) tomorrow.请问第二个空该怎么解释? 1.if she __(come)to beijing next week.2.__(call)me up,if he has any problem1.let him__(do)his own things.2.half the people __(not have) their ID cards here.3.she will goes there as soon as he ___(leave) 4.half of the appie _(go)bad.5.i don't know if I don't know what he needs I don't know what I should do next.(同义句转换） I don't know __ __ __next