it I think is hard donnot 连词成句

it I think is hard donnot 连词成句 求理由I think it is really （ ）hard work.A.a B.an C.the D.不填 单项选择 1.do you think it is right?no,___________- a.i don't think b.i don't think so c.i think接：so d.i think2.___________-the boy is running!a.how hard b.what hard c.what a hard d.how a hard I think it hard to fall asleep in night.请问it后为什么不加is. I think it hard to fall asleep in night.为什么it后面没有is I think study hard is happiness改错 关于think is,英语语法例句：I think it is hard to say.这是什么结构?为什么两个动词可以连用? 请问如何将'' I think it is hard to learn English well '改为否定句. I don't think it is a hard work 改错紧急 Is that true that it's hard to be a person?I don't think so! Julia is studying hard for the math test.I think she c pass it 填什么 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 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? It is reported that it will rain hard next Sunday.____.We're planning to go boating that day.A.I don't think so B.I hope so C.I'm afraid not D.I hope not think it hard to do 和 i think it's hard to do 有什么区别 Do you think the problem is()?if you think hard,you'll find it()to work it outa hard,easy b easy,hard c hard,easily d difficult easily I it think is right Is your mother cooking now?A .I do not think it B.I think it C.I think not so D.I think so