I’dliketojointheschoolvolunteerproject,butI’mnotsure

来源：语文精选馆 1.47W

I’d like to join the school volunteer project, but I’m not sure_____________.

　　A. what I should do B. what should I do

　　C. what I should be do 　D. what should I am do

A “what I should do”在句中是作sure的宾语，叫做宾语从句，要放陈述句的语序。