A：纤维素
B：淀粉
C：葡萄糖
D：核酸
What does Bob want to do with Linda?
The 24th Winter Olympic Games in Beijing in 2022.
17＋8＝____ 23＋9＝____ 56＋7＝____ 21＋7＝____ 32＋5＝____
18－8＝____ 24＋9＝____ 36＋7＝____ 20＋7＝____ 30－5＝____
