---What a beautiful coat. How much is it?
---It didn’t ________ much. It's only 80 yuan.
A. cost B. take C. spend D. pay
_______careful you are, ________mistakes you will make.
A. The more, the more B. the more, the less
C. The more, the fewer D. the less, the less
__________ I was talking on the phone, my mother arrived at home.
A. when B. until C. while D. although
--- Do you have any plans for this weekend?
--- I am not sure. I ________ go to visit my grandmother.
A. must B. need C. can D. may
--- I called you yesterday afternoon, but nobody answered.
---Oh, I ___________ in the playground.
A. play B. played
C. am playing D. was playing
---_______ is the population of your hometown, Lucy?
---It’s about 15,000.
A. How many B. How much C. What D. How
