The company (be) ______in the land market since 1990 and it is now taking the le

游客2024-07-01 21

问题 The company (be) ______in the land market since 1990 and it is now taking the lead in this field.

选项

答案 has been

解析本题考查动词时态。根据时间状语since 1990作时间状语，要求句中用现在完成时。另外，主语the company为单数第三人称，因此，空格处填has been。

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