根据英文解释、汉语提示及句意，写出句中所缺单词。
1. May is my _________(忠实的) friend and I can share my problems with her.
2. My mum can cook _________ (tasty) meals. And the chicken tastes nice.
3. How many ___________ (语言) can you speak?
4. You must drive carefully because there is too much ________ (movement of cars) on the city road.
5. I don't want to watch TV this evening. I'll listen to music i_________.
