I don't know or not he will come.
A: whether
B: if
C: when
D: how
A: whether
B: if
C: when
D: how
举一反三
- I don’t know whether he will come.
- I don't know ______ he will come or not. A: if B: whether C: when
- I didn‟t know _______ or not he will come. A: that B: whether C: when D: if
- I don't know ______ he will come tomorrow. ______ he comes, I'll tell you. A: if; If B: if; Whether C: whether; Whether
- I don't know _________ he will come tomorrow. _________ he comes, I'll tell you. A: if; Whether B: whether; If C: whether; Whether D: if; If