tolong di bantu!!!!!!!!

1. B. Sorry,I'm not sure about it.
2. A. I think that you don't need to be worried about it.
3. A.Certainly
4. B. Repetition
5. C. Let me
6. D. Let them
7. A. Come on

1. b
2. a.
3. a
4. d.
5. c
6. d
7. b