最近的报告让全世界的环保人士担忧。

The recent report ___concerns environmentalists worldwide.

政府的决定让许多公民对自己的未来感到担忧。

The government's decision ___concerns many citizens about their future.

她的突然离开让办公室里的每个人都担忧。

Her sudden departure ___concerned everyone at the office.