giải cho tôi

Here are the answers to your questions: **Question 15:** C. pollute **Question 16:** A. culture **Question 17:** B. came up with **Question 18:** C. but **Question 19:** B. is going to organise **Question 20:** B. always brings **Question 21:** B. will be fully realized **Question 22:** B. not to come **Question 23:** C. are all told - will be saved **Question 24:** B. fell - sing **Question 25:** C. c-a-b-d **Question 26:** B. b-d-a-c-e **Question 27:** A. e-b-c-d-a **Question 28:** D. b-a-c