题目

-What about going to see Captain America：Civil War （《美国队长3》）this Tuesday？ -I，d love to，but I'm very busy on weekdays．_______，I can go only on weekends． A．For example   B．Since then C．That is 答案：C6．比24米少$\frac{1}{6}$是20米，33比27多$\frac{2}{9}$．