- There ________ many trees at the foot of the mountain.- But now they are slowly disappearing because of human activities.

题型：单选题题类：常考题难易度：普通

湖北省2017届九年级英语专题练习：简单句的基本句型

- There ________ many trees at the foot of the mountain.

- But now they are slowly disappearing because of human activities.

A、is used to B、used to C、used to be

举一反三

{#blank#}1{#/blank#} {#blank#}2{#/blank#} some milk in the bottle.

{#blank#}1{#/blank#} {#blank#}2{#/blank#} a park near here?

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