首页 > There _______ some forests here ten years ago. But now we can see nothing.[ ]A.used to haveB.used to

There _______ some forests here ten years ago. But now we can see nothing.[ ]A.used to haveB.used to

题目简介

There _______ some forests here ten years ago. But now we can see nothing.[ ]A.used to haveB.used to

题目详情

There _______ some forests here ten years ago. But now we can see nothing.

[ ]

A.used to have
B.used to be
C.is used to be
D.was used to have

题型：单选题难度：中档来源：同步题

答案

B

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