I don’t know _____ he will come or not. _____he comes, I’ll tell you.
A.if; If | B.whether; Whether |
C.whether; If | D.if; Whether |
I don’t know _____ he will come or not. _____he comes, I’ll tell you.
A.if; If | B.whether; Whether |
C.whether; If | D.if; Whether |