1. ---Good morning, Mr. Lee's office.

---Good morning. I'd like to make an appointment ________ next Wednesday afternoon.

A. for                 B. in             C. on             D. with

2. Bob thought he couldn't go to the party because he had to write a report, but he went ________ all.

A. at                  B. after          C. in                 D. with

3. Not until all the fish died in the river, ________ how serious the pollution was.

A. did the villagers realize                               B. the villagers realized              

C. the villagers did realize             D. didn’t the villagers realize

4. ________ was Jane that I saw in the library this morning.

A. It                  B. He             C. She            D. That