At seven forty in the morning, the students are coming into classroom. A girl is opening the windows.

    Some of the students are laughing and talking. Some others {#blank#}1{#/blank#} listening to them. Some are reading books. Some are doing {#blank#}2{#/blank#}(they) homework.

    Miss Zhao is {#blank#}3{#/blank#} (sit) behind the teacher's desk. She is writing on the blackboard. Sue {#blank#}4{#/blank#}Lily are wearing their new dresses today. Ann is cleaning her desk. Mike is helping her. They are all{#blank#}5{#/blank#} (happily)

    What are Bill and Jim doing? Oh, dear! They are still playing basketball on the playground.