根据首字母填单词.
①The word "water" is an u_____ noun.
②Please add some r_____ before cooking.
③Turn on the b_____ to make orange juice.
④Would you like to collect some money for the Hope P_____.
⑤R_____ .It's nothing at all.Don't take it too hard.
⑥I'm h_____ the weather is nice in the mountains.