A：as, as
B：from, from
C：as, from
下面句中有一处错误，请找出来并改正。
These is my parents.
____
下列关于经线和纬线的叙述，错误的是 （ ）
说一说，下面的哪些图形是对称的？（ ）
____ ____ does Rony need if he wants to buy the second-hand machine?
