He found _________ to sleep.
—Is this book? —Yes,it’s English book.A.a;a B.a;an C.art;an
Please call Mary 386-2115.A.on B.at C.for
—Is it a pencil?— .A.Yes,it’s B.No,it isn’t C.No,it is
Please call tomorrow (明天).A.I B.me C.my
Is that ruler?A.she B.her C.hers