Tell Li lei to ring me uo if he __back.

Tell Li lei to ring me uo if he __back. Can you tell me ___Mr.LI is here?Sorry,he isn't here.If the the teacher asked me to e------ seats with li lei li lei said to me ,"i'll call you tomorrow" Li Lei works in England .He comes to China ______. If he __back home tomorrow,we ____dinner together 句子转换He turned round as if he was going to tell me something If he is free,he will ask me to tell stories不是虚拟语气?为什么? Ask him to ring me up if you ____________ him. This is Li Lei.He is ( ) my friends.A.me B.one of C.he D./ can you tell me if he _finish the work on time?A,is able to 宾语从句题：Could you tell me if he _______ to Shanghai?