You should help her since you have promised ______.
A: to help him
B: to do so
C: 无选项
D: 无选项
A: to help him
B: to do so
C: 无选项
D: 无选项
举一反三
- 中国大学MOOC: You should help her since you have promised ______.
- You（）him out though you were very busy. A: could have helped B: must help C: should have helped D: ought to help
- Who __________ on Saturday A: do help you B: you help C: do you help D: you do help
- You should help him ______his lessons. A: about B: with C: on
- You ____ him so closely; you should have kept your distance.