In thirty years,perhaps beautiful forests will no longer exist in the world.In thirty years,perhaps beautiful forests _______ exist in the world ______ ______.

what may happen in thirty years' time?作文 in the llast thirty years用什么时态 In thirty years,perhaps beautiful forests will no longer exist in the world.In thirty years,perhaps beautiful forests _______ exist in the world ______ ______. China has changed a lot in the past thirty years.同义句转换转换成 Great（ ）（ ）（ ）（ ）in China in the past thirty years. Great changes have taken place___.A in the past thirty yearsB for thirty years哪个对,为什么 为什么是thirty years ago 而不是thirty years before? CODA THIRTY YEARS AFTER怎么样 uncle is thirty years old. no country______(make）such great progress as china in the past thirty years Great changes have taken place in China since the last thirty years这句话哪里有错? no country_____(make)such great progress as china in the past thirty years There (be)not so many people in our town thirty years ago. mr black lives in the usa for (thirty years).对括号处提问 The old man has lived in this village __ thirty years. 用什么?是at,on,in还是别的什么?The old man has lived in this village __ thirty years.用什么?是at,on,in还是别的什么?. I have visited thirty cities in China____.A.in the last two years B.since last year I had visited thirty cities in China____.A.in the last two years B.since last year in fifteen thirty-four She must be at least thirty-five years old.In my opinion she() a.has b.is c.must 为什么?