是I think study English is difficult还是I think studying English is difficult?

是I think study English is difficult还是I think studying English is difficult? I think study hard is happiness改错 hey i dont know chines engli I think it our duty to study.I think it completeI think it our duty to study.I think it complete a waste of money.为什么第一句是对的,第二句却是错的? I think it our duty to study.I think it completeI think it our duty to study.I think it complete waste of money.为什么第一句是对的,第二句却是错的呢? I think it important to study hard和l think it is important to study hard哪个句子是对的?为什么? I think it important to study hard和l think it is important to study hard哪个句子是对的?为什么? I am reading a book which i think is quite related to your study.这句话是病句?为什么think和is两动词连着? I think that she____(think)about her study plan.空处填think 的相关形式 I think it's(use)to study English well i think it 's good to study.怎么译 I think it is easy to study Chinese. |I think to a high school student, study is the most important中文意思是速度点 for students I think the most importantthing is 用适当的形式填空,给的单词是study I think studying English is not difficult I think ______ ______ to study English I just write down what I do,what I see and what I think?是用think 还是think of这是初三的练习题,答案两个都给了,我在网上搜了一下,是篇小作文,How do I study English 用的是think of 而不是think i think it diffiult to study english 这句话省略 is 是什么情况?先看下面两句话i think it diffiult to study englishi think it is diffiult to study english这两句话我知道是对的,但是第一句省略 is 是什么语法情况?如 Aftre five years of study,I think I can speak English wellAftre five years of study,I think I __ __ __ __speak English well改同义句