This morning Diana invited ________ to ________ birthday party.
A:me; her
B:I; hers
C:me; hers
已知x1,x2是一元二次方程x2-2x=0的两根,则x1+x2的值是( )
在新的班级里,有那么多新的面孔,慢慢地彼此就成了好朋友。每个人都需要朋友,这是因为( )
I have got a new book. It`s animals.