单选题 The road was closed while the ______ that had been involved in the accident were towed away.

单选题 The police have disclosed that two officers are under ______ investigation.

单选题 Our trade union has ______ the introduction of automation.

单选题 She seemed ______ in her commitment to finish school.

单选题 This is an opportunity to ______ the reputation of the company.

单选题 There seems to be a lack of ______ among the employees.

单选题 Too much computer work ______ the eyes.

单选题 The new tax caused a huge ______ of public anger in America.

单选题 Children challenge their parents' ______ far more nowadays than they did in the past.