英语语法：虚拟语气I didn't know his telephone number.____ it,I ____ t

英语语法：虚拟语气I didn't know his telephone number.____ it,I ____ t 虚拟语气 i didn't know his telephone number.____ it,I ______ the I didn't know his telephone number 有关虚拟语气We didn't know his telephone number,otherwise we_____h I forgot his number,so I didn't ring him改为虚拟语气还要倒装怎么搞? -I do not know his telephone number .-____ ____ ,____（我也不知道） （ ） I didn't know ____ and ____? I don't know who invented ____ telephone,it's really ____mos I know his telephone number ____（not know）his telephone number, I don'd know A,how many his telephone number B,what is his t May I ____（know）your telephone number?