her watches( ) in her schoolbag. a.am b.

her watches( ) in her schoolbag. a.am b.
her watches( ) in her schoolbag.
a.am
b.is
c.are
d.be
is this ( )book?
yes,it's( )english book.
a.a,a
b.an.an
c.an,a
d.a,an
what are these in your schoolbag?
( )
a.some books
b.a book
c.my id card
d .yes,they are