It was the first commercially available machine to employ artificial intelligence.翻译

It was the first day of the 10th moon. it is/was the first time that有什么用法 it was the first time 后面为什么要用过去完成时 it was the first time连接过去时还是过去完成时? it was the first day of biology class翻译 Galileo was the first man to prove it! It was first January,the first day of the.thIt was first January,the first day of the.that they are there for me where was( )the first computer was made?A.it that B.it C.time D.that 英语翻译it is the first time +现在完成时----------it is the first time that I have seen a tiger.it was the first time+过去完成时-----------It was the first time that he had said ( that )he loved me. it is the first time和it was the first time后面接的时态各是什么? 用for.the.first.time和at.first 和it.was.the.first.time和the.first.time各造一个句子,说明她们的区别 it was the first newspaper sold on trains .sold前可加that was?为什么? 李娜说:“it was the first game,easy or tough 还有半句：李娜说的是:“it was the first game,easy or tough,nothing between It was the first time for the village boy tolive in the city and he was st( )to city life. the girl told him that it was her ( )first jobA./ B.an C.the D.a 英语翻译it was from the teacher that he first heard of the chemist. it was from the teacher that he first heard of the chemist. The first class was English.