（2015•青海）Playing computer games too often _____ our eyes.

题型：单选题题类：真题难易度：普通

Playing computer games too often _____ our eyes.

A、is helpful to B、 is harmful to C、 is good for

举一反三

She still has {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}to buy．

—She's fine. She used to TV at home after supper. But now she is used to for a walk.

Please{#blank#}1{#/blank#} {#blank#}2{#/blank#} the lights when you leave the classroom.

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