Could I ask for linking my approved I-140 (EB2) to I-485? WTO92007-06-14 05:28:40

My I140 (Eb2) was approved one year ago. Because I am a Chinese, I cannot file Form I485. I filed Form I-140 (Eb1a) concurrently with I-485 last month. I just knew I can file Form I-485 based on my approved Form I-140 (EB2) next month. How to do? Could I ask for linking my approved Form I-140 (EB2) to Form I-485?

• 急等答案，知道的人告知一下，先谢谢啦