单词填空：
（1）The apples are                 （ 跌落下）the stairs.
（2）               （ 有 ）2500 students at the school now.
（3）The bags are too            （重的）. I can’t            （提、抬）them.
（4）First we’re going to walk            （在……周围）the lake.
（5）Yang Liwei made a            （录像）. It’s about the space          （旅行）.
（6）Let’s go under the tree. It’s            （干的）there.
（7）She was            （瞎的）. And she was            （聋的）.
（8）English is            （有用的）. But it’s easy to make            （错误）.