Listen to the following passage and fill in the missing words.[音频]One beautiful spring morning I was alone in my room, reading. Suddenly a（1）smell in the air made me get up and put out my hands. The（2） of spring seemed to be（3)in my room. “ What is it?” I asked. The next minute I knew it was coming from a mimosa tree outside. I walked outside to the (4) of the garden, toward the tree. There it was, (5)in the warm sunshine. Its long branches, so heavy with flowers, almost touched the ground. I walked through the flowers to the tree itself and then just stood (6) . Then I put my foot on the tree and (7）myself up into it. I climbed higher and higher until I reached a little（8）. Long ago someone had put it there. I sat for a long time ... Nothing in all the world was like this.