I regret __________ hard at school, or I would have passed the exam.
A: to have not worked
B: having not worked
C: not to have worked
D: not having worked
A: to have not worked
B: having not worked
C: not to have worked
D: not having worked
举一反三
- ________hard before, Tom is afraid of failing in the exam. A: Having been worked B: Not to have worked C: Having never worked D: Never have worked
- If he（ ）harder,he ( ) the exam. A: works/ passes B: worked/passed C: has worked / would pass D: had worked / would have passed
- I ____in this school since 2001. A: have worked B: has worked C: work D: worked
- I would as soon I harder when I was in the company. A: would work B: would have worked C: had worked D: worked
- ____ in this field for nearly 10 years, Mark has lots of experience and is fit for the position. A: Having worked B: Worked C: To have worked D: Have worked