她在繁忙的街道上做调查。

She is conducting a ___survey on a busy street.

她站在阳台上仔细观察整个城市。

She stood on the balcony to ___survey the entire city.

我们在公司内部进行了一项员工满意度调查。

We conducted a ___survey on employee satisfaction within the company.

在建造新道路之前，他们需要进行地形测量。

They need to conduct a land ___survey before building the new road.