Question

---Can you tell me whom the book ________ in April, 2012?
---Sorry, I don’t know.

A．was written by

B．was written

C．is written

D．is written by

Answer 1

A

试题分析：句意：你能告诉我这本书是谁在2012年四月写的吗？对不起，我不知道。动作的承受者作主语，用被动语态。其结构是，主语+be+done.为了说明动作是由谁做的，经常在句末加by sb.根据该句是过去时态，故选A。