I thought it is important to prevent H1N1 and protect environment这句话中第一个is该用原形还是过去式

what is it meaning?I thought a thought.But the thought I thought wasn't the thought I thought I thought. i have thought it I thought it is real. 什么意思.高手指教,多谢 应该是I thought that it is a good book. 还是I thought that it was a good book 还是都行? AND EVERYTHING I THOUGHT It'D IS NOTHING LIKE It IS翻译 I thought it ( ) his kite. It is even better than I thought it would be 句子的中的than What is the fastest?It is thought. Love is beautiful when it's appreciated.how can I express my thought to you I thought it( ) me to work out the problem.A.difficult for B.is difficult for I see,She thought for a m_____and t____said,Who is it f____?怎样填 I see,She thought for a m_____and t____said,Who is it f____?怎样填 “比我想象中要难”用英语怎么表达?是it is harder than i have thought It is my honor that you thought I can take this position. 在横线上填上单词:sorry ,the magazine is(you).I thought it was (I)and(take)it home yesterday. my headache is killing me.I ____ it ____away.But now it's getting worse and worse.A.think;is going B.thought;was going C.have thought;is going D.have thought;was going选哪个,为什么? --he can not come back tonight .it is too late .A i hope B i thought c i am afraid it is thought that counts 怎么翻译?