填空题

Since we (computer)（）the bookkeeping system, no errors have occurred.

【参考答案】

computerized

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单项选择题

A．At 6:30 p.m.
B．At 6:30 a.m.
C．At 2 p.m.
D．At 6 p.m.

填空题

(frighten)（）by the explosion, we all rushed out of the hall.