( )Maths _______not hard ,I think.

问题描述:

( )Maths _______not hard ,I think.
A am B is C are D be
( ) My family ______a big family.My family ________all here.
A is is B are are C is are D are is
( )Do you know the teacher _____long hair?
A has B is C with D have

B,C,C.