中国大学MOOC: You should on the road when you’re driving.
举一反三
- You should ________ (concentration) on the road when you're driving.
- You should-— the road when you're driving.
- 中国大学MOOC: When you are a moderator, you should NOT ______.
- 中国大学MOOC: When you deliver the presentation, you should _____.
- 中国大学MOOC: When you prepare for the interview, you should not _____.