Great changes____ in our country during the past 20 years.A.have happened B.happened c.have been happened D.were happened为什么

Great changes____ in our country during the past 20 years.A.have happened B.happened c.have been happened D.were happened为什么 二十世纪九十年代末,我们家乡发生了巨大的变化.Great changes____ ____in our hometown____ ____ ____ ____. Great In The climate in Beijing and Shanghai is the same.The climate changes____ between the two cities.A.a little B.a little of C.very little D.small great changes in China take great interest in还是take great interests in show great interest in 翻译 I show great interesting in there()great changes in Jiangsu Great souls suffer in silence. great!in favour of you! a great pioneer in造句 in great trouble什么意思 in great alarm 意思 例句 he showed great in----in science great fun 和a great funIt is ()to swim in the swimming pool in summer.A.great fun B.funnyC.a great fun D.great funny great change in my hometown英语作文 I have made great progress in English?