It’s unnecessary to book flights and hotels before the journey.
举一反三
- On the way, a young man waved to me. This happened ______ . A: before the writer's journey B: during the writer's journey C: after the writer's journey D: a long time ago
- He’s read this book before, ?
- It is unnecessary to book transport and accommodation in advance.
- Eat a good, healthy meal before a long journey.
- It is unnecessary to have practice before giving a product presentation.