—That must have been a long trip.

—Yeah, it        us a whole week to get there.

A．takes

B．has taken

C．took

D．was taking

《中华人民共和国电力法》：电力（）应当依法保护环境，防治污染和其他公害。

A.生产

B.研究

C.使用

D.供应

E.建设