Question

1 -Could we make it Decemeber 10th?-()I will be a

vailable that day
为何用that is fine with me而不是I am afaid not
2 （）our satisfaction,Confucius Institutes help much in spreading Chinese around the World
为何用to 不用with
3 （） arriving in Shanghai,known as China Paris,I fell in love with this modern and charming city
为何用on而不是by

Answer 1

1、根据后面的语境 i will be available that day 表示的是肯定意思，所以肯定是 that is fine with me
2、to one's satisfation的意思是令某人满意的是……，with satisfaction的意思是满意地，含有副词意思，根据语义可以判断应该是令我们满意的是，孔子学院balabala……
3/on arriving in Shanghai 表示的意思是 一到上海 我就怎么怎么样，如果是by的话就是到上海之前，语义上说不通