He insisted that we ______ to pass the exam．
A: study harder
B: have studied harder
C: have studied harder
A: study harder
B: have studied harder
C: have studied harder
举一反三
- If he ( ) harder，he might pass the exam. A: studies B: studied C: has studied D: study
- If I ______ harder for the final exam, I should have passed it. A: study B: had studied C: studied D: was studying
- If he studied harder, he ______ pass the mid-term exam. A: will B: is going to C: would D: had
- 8.I have always regretted not to have studied harder at school. A: always B: not to have C: harder D: at school
- I always regretted not_________ harder when l was young． A: studyin9 B: having studied C: to study D: D to have studied