—What is Jack doing?—He______ in his study.

题型：单选题题类：常考题难易度：普通

初中英语仁爱科普版七年级下册Unit 5 Topic 2 A few students are running around the playground . Section D 同步练习

—What is Jack doing?

—He______ in his study.

A、study B、studies C、is study D、is studying

举一反三

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We{#blank#}1{#/blank#} {#blank#}2{#/blank#}in the river now.

—OK. Sorry!

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