the desalination plant, the company could offer an - Dicamon

Question

the desalination plant, the company could offer an effective solution to the problem of water scarcity . A. To build B. Having built C. Being built D. Having be

Answer

Đáp án đúng là: B Giải thích: Đối với các mệnh đề trạng ngữ chỉ thời gian, để nhấn mạnh thời gian hoặc hành động nào xảy ra trước, ta có thể dùng “having + +V2/-ed^ prime prime để

_____ the desalination plant, the company could offer an effective solution to the problem of water scarcity.

A. To build

B. Having built

C. Being built

D. Having been built

_____ the desalination plant, the company could offer an effective solution to the problem of water scarcity.

_____ the desalination plant, the company could offer an effective solution to the problem of water scarcity. A. To build B. Having built C. Being built D. Having been built

_____ the desalination plant, the company could offer an effective solution to the problem of water scarcity.

_____ the desalination plant, the company could offer an effective solution to the problem of water scarcity.

A. To build

B. Having built

C. Being built

D. Having been built