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题型：语法填空（单句）题类：常考题难易度：普通

北师大版英语九年级全册 Unit 2 Books. Lesson 6 Tom Sawyer.同步练习

Some of the swamps have been (pollute).

举一反三

——Have you bought the best-sell book in the store near our school?
——Yes, I _____ it three days ago,but I hear that they ________

Drunk driving has to be seriously{#blank#}1{#/blank#}（惩罚）.

The homework has {#blank#}1{#/blank#}(be) checked twice.

— Lily, will you go to Jenny's birthday party this Saturday?

— I'm not sure. Because I so far.

No decision about that matter yet. We are still considering it.

____ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.

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