Keep a gratitude journal,(in which) you write down things that you are thankful for.为什么用in which 而不用which?

Keep a gratitude journal,(in which) you write down things that you are thankful for.为什么用in which 而不用which? Live a life of gratitude什么意思? 英语翻译Repay a debt of gratitude请准确简介翻译 翻译gratitude quiet gratitude keep a keep a 麻烦做下英语作业1.She sent them a present to express her （gratitude）.A.attitudeB.thanksC.gravityD.congratulations满分：3 分2.If you （avoid）something,you:A.get closer to itB.keep away from itC.enjoy it满分：3 分3.The opposite o hope has a good memory,gratitude a bad one翻译…… We owe you a debt of gratitude for you help 怎么读 gratitude is most mportant gratitude什么意思 Gratitude的中文意思 翻译Delayed Gratitude atttitude of gratitude consumer gratitude是什么意思呢? gratitude and forgiveness是什么意思 keep diaries /keep a diary' 哪个对?