I always regretted not_________ harder when l was young．
A: studyin9
B: having studied
C: to study
D: D to have studied
A: studyin9
B: having studied
C: to study
D: D to have studied
举一反三
- I always regretted not_________ harder when l was young．
- I have always regretted ______ studied harder at school. A: not to have B: not having C: to have not D: having not
- 8.I have always regretted not to have studied harder at school. A: always B: not to have C: harder D: at school
- He insisted that we ______ to pass the exam． A: study harder B: have studied harder C: have studied harder
- I really regretted wasting the hours when I______ hard, but it was too late. A: must have studied B: could have studied C: need have studied D: should have studied