A: Are you sure about it?
B: Sorry, I'm not really sure about it.
A: Don't be foolish. We have been walking so far, you know.
A: I can't remember any sign. I think this is the right path. I'm sorry.
Questions:
1. the expression that is used to express certainty?
2. the expression that is used to express doubt?
3. the expression that is used to respon to doubt!
B: Sorry, I'm not really sure about it.
A: Don't be foolish. We have been walking so far, you know.
A: I can't remember any sign. I think this is the right path. I'm sorry.
Questions:
1. the expression that is used to express certainty?
2. the expression that is used to express doubt?
3. the expression that is used to respon to doubt!
2 .yes sure
3 .nothing