Yourfatherandyourmotherareyourp_____
I’mtenyearsoldandmysisteristwoyearsolderthanme，sosheist_____yearsold。
()It'snineo'clock.Imust______.
()It's_____mynewcar.
()“CanIhelpyou?”“I'dlike______bagsofrice.”
boy_______(复数)
