1. The correct answer is A. weave. The sentence is talking about the tribal women knowing how to turn threads into clothes, which involves the skill of weaving.
2. The correct answer is B. native. The sentence is talking about the woman's language, which would be her native language, the language she grew up speaking.
3. The correct answer is A. traditional. The sentence is talking about a greeting in Tibetan culture, which suggests that it is a traditional practice.
4. The correct answer is C. celebrate. The sentence is asking how people observe or mark the New Year in the person's country, which implies celebrating.
5. The correct answer is B. serves. The sentence is talking about the restaurant providing or offering delicious food, which suggests that it serves the food.