— is your favorite teacher?
— Paul. I like his class.
A:Which
B:What
C:Who
D:Whose
造成“沧海桑田”的主要原因是( )
____+____=____
下列有关民族和民族文化对应错误的是( )
菜市场的草莓有多种口味,决定口味不同的是( )