look she(B)a betiuful girl.a、are b、is c、was
where( A )you?here i( )a、are am b、are where c、where am
(A )you twins?a、are b、am c、is
look,who( B )the boy in blue?a、am b.is c、are
where ( A )you frow?i( )from china.a、are am b、is are c、are are
this( A )our new classroom.a、is b、are c、am
I am
you are
he/she/it is
we are
you are
they are