I regretted very much for _____ him get out of the trouble in time.
A: not to help
B: not having helped
C: having not helped
D: to not help
A: not to help
B: not having helped
C: having not helped
D: to not help
举一反三
- ______my neighbor’s kid with his coming exam，I spend an hour working with him every day. A: To help B: Helping C: Helped D: Having helped
- You（）him out though you were very busy. A: could have helped B: must help C: should have helped D: ought to help
- His life was devoted to _____the poor out. A: helping B: help C: being helped D: having helped
- I wished Iyou, but I was very busy then. A: can help B: could have helped C: to help D: helped
- Group activities will be organized after class--children develop team spirit. A: helping B: having helped C: helped D: to help