小写字母占三格的是下面哪一个字母?A.f B.h C.k
听录音,圈出你所听到图片。
遇到多年不见的老朋友,你与他打招呼:
A frog(青蛙)has mouth, Two frogs have legs.
If you are sad, you are feeling
Which word isn,t units of length?