题目内容
a lot of trees in this area, but now we can see a museum instead.
| A.There used to have | B.There used to be |
| C.There used to having | D.There used to being |
B
解析
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题目内容
a lot of trees in this area, but now we can see a museum instead.
| A.There used to have | B.There used to be |
| C.There used to having | D.There used to being |
B
解析