I want to know ________ the traffic is heavy on the highway. _________ the traffic is heavy, I will travel by train.
A: if; If
B: whether; Whether
C: if; Whether
D: that; If
A: if; If
B: whether; Whether
C: if; Whether
D: that; If
举一反三
- They didn’t catch the train hecause of ( ) A: some heavy traffic B: any heavy traffic C: a heavy traffic D: heavy traffic
- 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: if; If B: if; Whether C: whether; Whether