根据句意或中英文注释，在相应的横线上写出单词的正确形式。（5小题*1=5分）
小题1:There are several (字典) on the shelf. You can choose one.
小题2:Can you answer the question (正确) at once when the teacher asks you?
小题3:The air is (新鲜的) because there are lots of trees around here.
小题4:English Classroom is an _______(education) program on CCTV.
小题5:The audience (鼓掌) at the end of the dancing competition because they enjoyed it very much.
