i think that is the reason why you can not thoroughly master it

The most important think is hard-working I think还是（that I think) i think that that that that that boy wrote on the blavk board is wrong This is the boy ----------I think (who/that)is the smartest.是用that 还是who? I think that the doctor had better see you变成I think that it is ---- for the doctor ---- see填空 I think that that that that that boy wrote on the blackboard is wrong.中的that分别做什么成分 i think that that that that that is this is the best hour i can think of that i havehad in the pas I think that I am the dont know what the love is,but I value the love!And I think that the love is Now I believe that the world is what you think it is的意思 now i belive that the world is what you think is I believe that the world is what you think it is.的意思? 英语改错：The price is so expersive that I don't think I can afford it I think that she is right. that is ok..i think too much. Look!That's Mike.the woman in the red dress is ( )mother,I think. The way you （ ）think about it is quite different from（ ） i think about it.A that ;that B that ;howC how ;that D how ;how I think that the first thing 跟to do 还是 being done?I think that the first thing ______ is to relax yourself