A:letter
B:latter
肺泡外缠绕着丰富的毛细血管,这有利于( )
2016年9月4日至5日,杭州迎来了二十国集团(G20)第十一次峰会。杭州成为世界瞩目的焦点。据此回答小题。
互质的两个数一定都是质数.
Time of the accident
Last week.
Place of the accident
On my way to Li Ming's ____.
Reason and result of the accident
I rode too ____. My bike hit a big tree. I was in a lot of ____.
Aid
A passerby ____ me to the ____.