Điền a/an/the/∅ vào chỗ trống sao cho phù hợp .
1. Watch out! Do not sit on ..... bench.it has been painted recently.
2. Yesterday ..... Prime minister gave a speech in front of his people.
3. the robber was sen to ..... prison for five years.
4. Mr.Brown always water his trees in ..... Morning.
5. Although I has worked in ..... france for 3 years, I could hardly speak french.
6. In ..... future, I hope I have a chance to visit ..... Red sea .
7. Jim and his co-workers are planning an expedition to ..... mount everest next year.
8. What has been done so far to protect ..... Environment?
9. It never snows in our region at ..... christmas.