My parents and I have _______ come back from our hometown, so we are very tired.

题型：单选题题类：常考题难易度：普通

仁爱科普版九年级上Unit 1 The Changing World Topic 1 Our country hasdeveloped rapidly.同步练习1

A、ever B、never C、just D、often

举一反三

— Yes. It's too far away from the land. I think it must be ________ visited by ships.

—Try again(再试一次), please. It's only ________ difficult.

—________ . My mother does it.

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