Read the dialogue bolow and study the explanation !
we have to submit our assgnment next week.
sorry, cold you repeat what you just said.
I said, we have to submit our assignment next week.
yes, you're right, but I'm sure that we can submit it befor that.
I'm sure, we can.
do you think that anglang will win the next european cup.
yes, of course,they will. whay? Don't think so.
well, I'm doubtful about that. they have not mode a better team , yet.
The underlined suntences are expressing about (doubt/doubl) and asming for repettion.
The following sentences are the description.
a. I'm doubt about ....
b. I'm doubtful about ....
c. I'm not sure.
d. I'm not certain
Asking for repetition
a. what did you say
b. what you said
c. would you mind repeathing what you just said.
d. cold you repeat what you just said