

先生の質問に答えるのは難しいです。
この問題に答えることができますか。
インタビューで何と答えるつもりですか。
"こたえる(答える)" is in the lesson "Verb antonyms" (Level 8), along with 15 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.