They asked ____ or not they could help us .A.if B.whether

They asked ____ or not they could help us .A.if B.whether （ ）They asked _____they could help us A that B what C if D w Do you know ()they enjoy it or not?A if B whether C how D wh Amos asked his mother whether they could have a video. 1.I did not know ___ him or not.A.whether to help B.if to he whether if or not Do you know _____ or not they will come to zhe party?A.if B. they want to know ___do help us a.how they can b.what they c They don't know_______to go or wait.(if,whether) do you know_zunyi or not tomorrow? A whether are they leavin i asked for something _ i konw they could not provide A.whic whether...or not; if...or not