问题
选择题
| — What did you do yesterday, Lily? — I went to the _____ shop and bought a pair of _____. — I'd like to, you don't want to go alone. |
A. shoe's, sport shoes B. shoe's, sports shoes C. shoe, spouting shoes D. shoe, sports shoes |
答案
答案：D
，则淀粉组成中一定含有_______元素，可能含有______元素。