--Inventors have changed the wong we live.--So they are famous for the great things they___?如题谁会填!有四个选项 Ａ do B did C are doing D had done

Inventors have changed the way we live.So they are famous for the great things they___.为什么did? Many useful machines were __1__ by inventors.These machines have __2__Many useful machines were __1__ by inventors.These machines have __2__the world a lot.There are many great inventors in the world,and Watt was one of them.Watt was English.When he Inventors have changed the way we live.So they are famous for the great things they___.为什么填did而不是had done呢? Inventors have changed the way we live.so they are famous for the great things they____A.do B.did C.are doing D.had done 我看不懂?Thomas Edison was one of the greatest inventors in the world.Without his inventors,people may not have lights,films and many other things.But this very elever man had very little scholing.Edison began to make a talking machine in 1877.At cha 经常看到…… cha --Inventors have changed the wong we live.--So they are famous for the great things they___?如题谁会填!有四个选项 Ａ do B did C are doing D had done 叉cha第三声组词 gotta get cha是什么意思 英文 Don't Cha sj的 A CHA cha-ching是什么意思? 阅读理解Have you ever made something to solve a problem?Have you ever made something to solve a problem?If you have,you’re an inventor.Inventors often make things to solve problems.These things are called inventions.Some inventions are new thin 差不多读音是cha【四声】还是cha【一声】 叉cha第三声,组词 CHA CA LA VONG怎么样 冰碴zha cha?读哪个 查姓哪里读cha