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经济危机对小企业打击特别大。

The economic crisis has ___been ___hard ___on small businesses.

当孩子离家上大学时,父母一定很难受。

It must ___be ___hard ___on parents when their children move away for university.

她总是对员工很苛刻,期望完美。

She ___is ___hard ___on her employees, expecting perfection.

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