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
A: if; Whether
B: whether; If
C: whether; Whether
D: if; If
举一反三
- 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
- I don't know _______ he will come tomorrow. _________ he comes, I'll tell you. A: if; Whether B: whether; Whether C: if; That D: if; If
- I don't know _______ he will come tomorrow. _________ he comes, I'll tell you. A: if; Whether B: whether; Whether C: if; That D: if; If
- I don’t know ______ he will come tomorrow, ______ he comes, I’ll tell you. A: whether; Whether B: B. if; Whether C: C. if; If
- I don’t know _____ he will come tomorrow. _____ he comes, I’ll tell you. A: if; Whether B: whether; If C: if; That D: if; If