点拨：这是同级比较的句子。再如：

他不如我聪明。 {#blank#}1{#/blank#}

I {#blank#}1{#/blank#} {#blank#}2{#/blank#} the park.

Children should {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} junk food,

Please {#blank#}1{#/blank#}the milk {#blank#}2{#/blank#}the blender.

A new robot {#blank#}1{#/blank#} {#blank#}2{#/blank#} by a middle school student last term.

I think playing computer games is {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#}.