if and whether
cathy didn;t know ---- or not
a whether did her mother like animals
b whether her mother liked animals
参考答案:选b
cathy didn;t know --whether her mother liked animals-- or not
卡西不知道妈妈到底喜不喜欢动物.
cathy didn;t know ---- or not
a whether did her mother like animals
b whether her mother liked animals
参考答案:选b
cathy didn;t know --whether her mother liked animals-- or not
卡西不知道妈妈到底喜不喜欢动物.