题目内容

The more they ________ into his background, the more inflamed their suspicions would become.

A. . researched
B. . probed
C. . examined
D. . explored

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Universities have offered ________ business courses to respond to students' demands for more business knowledge.

A. . optional
B. . conservative
C. . voluntary
D. . temporary

The stock price fluctuations have sparked the investor’s concern about insider trading and market ________.

A. . transaction
B. . management
C. . manipulation
D. . treatment

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A. . suspended
B. . retained
C. . insisted
D. . persevered

Since the safety issue for school children has become more concerned by the public, in certain countries the law ________ parents to send their children to school.

A. . obliges
B. . conforms
C. . imposes
D. . submits