He ________ to the teacher for help, but he chose to work the problem out himself.
A: could have gone
B: could go
C: was able to go
D: had been able to go
A: could have gone
B: could go
C: was able to go
D: had been able to go
举一反三
- He went on foot, but he ____ by bus. A: should go B: must have gone C: can go D: could have gone
- Had the weather been good, the children _____ out to play. A: would go B: could have gone C: went D: had gone
- If he had spent more time practicing oral English before, he ( )able to speak it much better now. A: have not gone B: had not gone C: didn’t go D: should not have gone
- He went on foot, but he ___ by bus. A: should go B: can go C: would go D: could have go
- I ____________ out but I didn’t feel like it, so I stayed at home. A: could go B: could have gone C: must go D: must have gone