4 . With many activities __________ (可获得的), students often find it difficult to strike a balance between academic pursuits and personal interests. （根据汉语提示单词拼写）

9 . 辨析下列单词和短语，根据语境表达需要，将单词或短语填入句子中。

adapt to        approach          available       brave the elements       challenge occasion       participate in       replace        survive                      typical

1. If you couldn’t solve the problem by yourself, you had better wait for a right ______ to ask your teacher.
2. As you ______ the town, you will find our school on the left.
3. All citizens were encouraged to ______ the Shen-Zhen marathon, which started on December 3, 2023.
4. After the recent software update, many old features are no longer ______; they’ve been enhanced or removed entirely.
5. Unfortunately, more than 10.000 people including young children failed to ______ the war between Israel and Palestine.
6. The government has promised to ______ the petrol cars with electric cars in the future, which is good news to the environment protection.
7. The role was the biggest ______ of his acting career, but he succeeded in the end.
8. It was ______ of her to forget the things, so we reminded her many times.
9. Due to the sudden changes in the market, many businesses are struggling to ______ the new economic environment.
10. As a nature photographer, I have to ______ so I can grasp the chance to take photos of the rare animals in the wild.