jenny had_learning english.she didn't know how to learn it welltia填trouble还是probiem

jenny had_learning english.she didn't know how to learn it welltia填trouble还是probiem
jenny had_learning english.she didn't know how to learn it welltia填trouble还是probiem

jenny had_learning english.she didn't know how to learn it welltia填trouble还是probiem
填trouble.困难.
如果是problem,最好改成 a problem.

填problem，因为trouble一般是指烦恼，属于心理的，problem大多指学习中

problem是个比较中性的名词，只是表示出现问题了，并不代表对问题的反感。而trouble表示麻烦，表示当事人对事情的态度：麻烦，很讨厌
根据题目分析得知应该选problem