—— What can I do for you? ——I’d like to buy a gift for my mother’s birthday, one at _________ proper price but of ___________ use and it’d better be __________ surprise.
Please __________ the numbers and I’m sure they will __________ more than 1, 000.
A. add up; add to B. add up; add up
C. add up; add up to D. add to; add up