

紙はよくもえるので、火に気をつけてください。
昨夜、近所の家がもえて、消防車がたくさん来ました。
このプラスチックはもえないごみですか。
"もえる(燃える)" is in the lesson "Verbs 8" (Level 20), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.