问一道英语问题i think __good __with other kids.A it is ,to study B

I think it good to study with a group为什么是it不是it is?to study I think it is easy to study Chinese. you think it is a good habit to study hard I think it important to study English well.与I think it is im 英语时态问题I think this question ________ to answer.A.easy B.is e I think it is important for kids to learn how to manage ____ Let's paly ping-pong.__good?A、Is it sound B、Does it sound C、 【英语选择题】​I think somebody（）is in the room.A.other B.oth i think it is good to study with a group .怎样译这个句子,with又怎样译呢? I find __ not essy to study math well. A.that B.it C.is D./ 一道英语选择题.I don't think it is ____taking the trouble to explai it's so cloudy.i think it()A.will rain B.rains C.is going to