在下面一段文字横线处补写恰当的语句，使整段文字语意完整连贯，内容贴切，逻辑严密。每处不超过15个字。

    从新课改的视角看，教师不应再是单纯的知识传授者，①____，他将“游客”引入佳境，自由观赏、探究奥秘，但当“游客”对巍然高耸的建筑群茫然不解或不识鸟兽草木之名时，他不会置身事外，②____，令人如沐春风，有时还要像仙人指路，在“游客”的思路出现滞涩凝绝时轻灵而高妙地一“点”，即收到“③(诗句)____”的奇效。

    One day in the 1 class everyone is busy drawing pictures, but Xiao Ming is doing 2. When the bell rings for break（课间休息）, Xiao Ming gives his 3 to the teacher.

    The teacher looks at it and gets 4. "Why do you give me a piece of paper with nothing on it, Xiao Ming?" 5 the teacher.

    "I'm sorry, sir," says Xiao Ming. "I 6 a dog and some 7 on the paper."

    "Where's the dog and where's the bread?" asks the teacher.

    "I draw the bread 8. When I finish drawing the dog, he9 the bread. When I give it to you, he 10 away," Xiao Ming answers.