填空题

Barely ______ (设计者刚为其新发明申请了专利) when he found other similar designs.

【参考答案】

had the designer applied for a patent for his new invention

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单项选择题

A. prevalence of sweatshops
B. pursuit of high-end products
C. higher living standard
D. ever-changing fashion trends

填空题

As the film neared its end, it ______ (出现了意外的转变).