题目内容
________ a lot of trees in this area, but now we can see a tall building instead.A.There used to have | B.There used to be |
C.There is used to having | D.There is used to being |
B解析:
there be 可以变成there used to be,不能用have 故选B
there be 可以变成there used to be,不能用have 故选B
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