Nowadays people are more concerned about the environment ________ they live.
29. New ways _____ to prevent the river _____.
28. The first thing she did _____ up to her trainer and thanked her.
27. The boy gathered all his _____ to stand up.
26. We were all waiting for you. You _____ for the seaside by yourself without leaving a message.
25. Though he is still a child, he has already read _____ 1,000 books.