1--.Invertors 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
2.Simon ( )his fingers when he was cooking the dinner.
A.burnt B.was burning C.has burnt D.had burnt
1--.Invertors 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
2.Simon ( )his fingers when he was cooking the dinner.
A.burnt B.was burning C.has burnt D.had burnt
B A
韩晓颖
1a 2a
1.A,表示那些发明家以前所做的贡献。
2.C,