They helped me a lot.I don’t know what I _______ without the

You really helped me a lot .i don't know how I can p_____ th ( )what must i i thank him?I don't thing he helped us a lot I don’t know _______ they have passed the exam. ---What's the man _______?---I don't know.A.talking B.waitin I don't know what the matter with me is? I don't know ____ they have passed the exam.A.what B.if C.wh I don't know what I want _______(do). i don‘t know what to say...i‘m just thinking of you a lot at 大姐 I don't know what to say...I'm just thinking of you a lot I don't know what to say...I'm just thinking of you a lot at I don't know__.A.what was outside the matter B.I don't know I don't know if they _______(take) part in the activity last