将句子中汉语部分译成英语，注意使用适当形式。（共5小题，每小题 1分。）
___________________ (一串钥匙）are on the tables .
--- What’s this _________ （用英语）？
--- It’s a math book .
--- Can you leave your __________ （电话号码）？
--- Of course , 8766902 .
Thank you for your letter and your ___________ （家庭照片）.
My father often _______ for at least 2 hours every day . （看电视）