The twins look exactly the same.______ of them are in my class.( )
A.EachB.BothC.EitherD.None
Mike lost his school ID card this morning.He is looking for _____ now.( )
it
him
them
I want to be ______ engineer when I grow up.( )
a
an
the
How long is BC in the triangle(三角形)ABC?( )
4cm
8cm
6cm
﹣Where is Zhang Hua?
﹣He ______ Beijing to see his parents and he'll be back tomorrow.( )
has gone to
has been in
has been to
I like music ______ I can dance to.( )
that
what
who