4. Some of the accidents might have been avoided if we ___ his advice.
A: follow
B: followed
C: have followed
D: had followed
A: follow
B: followed
C: have followed
D: had followed
举一反三
- If only we ___ your advice! A: had followed B: followed C: would follow D: would have followed
- If he ___ my advice, he wouldn’t have lost his job. A: followed B: should follow C: had followed D: would follow
- You would not have failed if you__________ my instruction A: had followed B: will follow C: follow D: followed
- If I ( ) his advice, I would have got the job I had applied for. A: followed B: had followed C: follows D: following
- His failure in the experiment suggested that he ______ his teacher's proper instructions. A: should not have followed B: should not follow C: mustn't have followed D: hadn't followed