- 二一组卷

题型：单选题题类：常考题难易度：普通

鲁教版（五四制）初中英语九年级Unit 8 Period 3 Section A & Section B

There ________________ great changes in such kind of PDAs (掌上电脑) in the last few years.

A、has been B、have been C、has had D、have had

举一反三

Since then, I have been able to {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} him by Wechat.

I'm here {#blank#}1{#/blank#} {#blank#}2{#/blank#}, not for pleasure.

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