单词填空。
1. The have planted about five ______ (千) trees in and around the town in the past few years.
2. I'd like eight ______ (条) of bread.
3. She will be the______ (第五十一个) to speak at the meeting.
4. He didn't go to bed ______ (直到) his father came back.
5. Where is your mother? She's ______ (准备) dinner in the kitchen.
6. Whose bag is this? It's one of my ______ (邻居).
7. There are two hundred______ (书架) in our school library.
8. Why don't you visit our______ (当地的) farms with us?
9. I hope we can have less _______(污染) in the environment in the future.
10.—How many students are there in the dining room now?
— ______ (没有一个)