Read the following proposal and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 1 to 6.

Title: Preserving Cuc Phuong ecosystem
To: Vietnam Wildlife Conservation Committee
Date: February 25th, 2023
Prepared by: Vu Hoang Ha
Introduction
Cuc Phuong is famous for its wonderfully rich ecosystem. ___(1)___ , the National Park has been threatened by human activities such as illegal hunting, logging and littering. Therefore, we would like to propose some ideas for protecting its ecosystem.
Details
We would like to create an online photo album of the area on the park ___(2)___. The photos will show eco-friendly activities such as ___(3)___ litter, going on ecotours, planting trees, and activities that can harm the ecosystem in Cuc Phuong, e.g, cutting down trees, or littering in the forest. Anyone interested, especially ___(4)___ to Cuc Phuong, will be able to take photos and post them on the website for everyone to see. This initiative will last for at least ___(5)___ year.
Goals and benefits
Our goals are to raise awareness of the need to protect Cuc Phuong ecosystem, and to promote environmentally friendly activities. ___(6)___ campaign will also help people identify any activity which can damage the ecosystem and report it when they see it.
(Adapted from Global Success)