Question

【题目】---What is Mr Zhang doing?

---He is writing some English words ______ the blackboard ______ chalk.

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

Answer 1

【答案】B

【解析】on the blackboard意为“在黑板上”；with chalk意为“用粉笔”，介词with表示“使用某种工具”。