1.（When I got to school）,I realized I had left my backpack a

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1.（When I got to school）,I realized I had left my backpack at home 对括号里的提问
_____ ＿＿＿ you _________ you had left your backpack at home?
2.Chinese people invented the abacus in the sixth century
改为被动语态

1 When did realize.
问时间点,用when
2 The abacus was invented by Chinese people in the sixth century.
abacus为单数,用过去式was

1.（When I got to school）,I realized I had left my backpack a 初三英语过去完成时when I got home,I realized I had left my keys at ho 英语翻译这几个句子 1】I realized I had left my backpack.2】 He told a r when I locked the door,（）I realized i had left my key on the Last Thursday when I got to the airport,I ( ) I had left my I got my best g when I left school 1.I got back to school without my keys and my backpack. 2011 山东when I got on the bus,I ______(realize) i had left my When I got to school I found that I( )my homework at home.A. When I got to school I found that I( )my homework at home. A When she got to school,she realized she had left her backpac When I got to school I found that I（） my home work at schoo