图反映，物价上涨对低收入人群的家庭经济负担的影响比较大。因为，在一般条件下，表示生活必需品的价格和需求量的关系的曲线是
—Did you feel lonely when you worked in the west? —No, I have many hobbies, _____ when I kept a lot of pets then.
Mr. Black comes from England, and he has stayed in China for three years. So you can talk with him ________.
It is difficult for us to learn a lesson in life _______ we've actually had that lesson.
One fifth of the work _______ by computer last year.
This is the very thing ______ belongs _____.
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