我国铁农具开始出现于

【名词&注释】

一句话

[单选题]我国铁农具开始出现于

A. 商
B. 西周
C. 春秋
D. 战国

举一反三：

[单选题]At the radio station, the pop star ________.

A. showed fans how to become famous
B. gave a performance on the air
C. met fans and signed for them
D. told people how he lived his life

[单选题]27．_______are broken．

A. Mike's shoes and kite
B. Mike's watch and knife
C. Ann's shoes and kite
D. Tom's things

[单选题]_____________.

A. which
B. that
C. where
D. there

[单选题]3． The doctor worked for _________ after twelve o'clock．

A. two more hours
B. another two hour
C. two another hour
D. more two hours

[单选题]12．

A. help
B. give
C. make
D. take

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