Bob is a middle school student. He likes reading. He often {#blank#}1{#/blank#} (花费) a lot of time reading. Last night, he read stories {#blank#}2{#/blank#} (直到……为止) 11 o'clock. This morning, he fell {#blank#}3{#/blank#} (睡着的) before class. When the teacher {#blank#}4{#/blank#} (进入) the classroom, he {#blank#}5{#/blank#} (注意到) him. The teacher went {#blank#}6{#/blank#} (朝……方向) him, and woke him up. "{#blank#}7{#/blank#} (多么) a poor boy!" his teacher said. "You are so {#blank#}8{#/blank#} (劳累的). You must go home to have a good rest." Bob said sorry to the teacher and {#blank#}9{#/blank#} (承诺；保证) to go to bed earlier. It is {#blank#}10{#/blank#} (重要的) for students to have enough sleep.