21.
a. Why don’t you want it.
b. What do you want it for
c. Was there a problem with it
d. Why do you see the problem
22.
a. I think so
b. You are sure
c. I won’t agree
d. I don’t think so
23.
a. What else
b. What would I care
c. What would you suggest me to do
d. What a threat could I receive from this store
24.
a. or please understand
b. but please make sure
c. and you have to certify
d. and then I try to remember that
25.
a. I’ll have a look
b. I may remember it
c. I doubt if I need to buy it
d. You may have to look at it