The days__________you could travel without a passport are a thing of the past.

• A、in which
• B、on which
• C、of which
• D、at which

The experiment__________the discovery of a cure for cancer.

• A、happened to
• B、led up
• C、resulted in
• D、set up

VI. Writing ( 25 points)
以行政管理部門(Administration Office)的名議寫一份考試延期的通知。
其內(nèi)容如下：原考試日期、地點；延期至何時、何地；延期的原因；涉及的對象。