I'm tired out. I_______ all afternoon and I don't seem to have finished anything.

题型：单选题题类：常考题难易度：普通

高中英语-_牛津译林版-_高一上册-_模块1 Unit 2Growing pains

A、shopped B、have shopped C、had shopped D、have been shopping

举一反三

—No wonder.You in front of the computer too long.

—He went to the library after breakfast and ________ his essay there ever since.

—Well, the newspapers ________ it in the past few weeks.

—I ______many websites about aliens.

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