--_______arehisfootballclothes?
--Underthebed.
Therearesomanypeopleintheshop.Youmust________yourthings.
()______ismyumbrella?It'soverthere.
Ithinkthe______(four)lessonisthemostdifficultinthisbook.
Theman_______thephotoismyfather.
努力工作(译成英语)_________