China________(形容词)
I_________(名词性物主代词)
()Look____thenicecar.
Therearesomanypeopleintheshop.Youmust________yourthings.
Ithinkthe______(four)lessonisthemostdifficultinthisbook.
I’mtenyearsoldandmysisteristwoyearsolderthanme，sosheist_____yearsold。
