Dưới đây là gợi ý cho các câu còn thiếu từ:

1. **to** (The noise of the traffic prevented me from **to** sleep.)
2. **which** (She works for Pharmacy, **which** makes chemical products.)
3. **and** (We are reorganizing the department **and** recruiting a new staff.)
4. **on** (Chicago is best seen **on** foot.)
5. **for** (Many people choose Florida **for** their holiday because of its beautiful scenery.)
6. **to** (Is John married **to** Mary?)
7. **managed** (After a lot of difficulties, he **managed** to open the door.)
8. **will** (Despite the bad weather, he **will** get to the airport in time.)
9. **trip** (The school arranges a **trip** to Brighton every year.)
10. **safely** (After a long and exhausting journey, they arrived home **safely**.)

Hy vọng điều này giúp ích cho bạn!