1._________six,he began to play chess.

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1._________six,he began to play chess.
A.by the age of B.on the age of C.when D.at the age of
2.Is Mr Brown living here?
A.to anywhere else B.to somewhere else C.somewhere else D.else somewhere
3.Tom ,was so careless that he____his right arm when he was riding to school
A.hurs B.hurt C.has hurt D.had hurt

1.D
固定短语at the age of...,意思是“在...岁的时候”.
2.C
somewhere/anywhere是不定副词,类似于here/there/home,其前无须介词to,排除AB；
else做修饰词时,必须放在其后做后置定语,排除D.
3.B
that后面的结果状语从句中含有具体的过去时间状语when he was riding to school,即只强调过去发生的动作,这时只能使用一般过去时.
如果你满意我的答案,这是对我们答题者劳动的尊重,多谢!

1._________six,he began to play chess. Many children began to play chess when they were very young The boy began to play chess at the age of three.（改为同义句） The 连词成句：1.Join,club,they,to,a,want,chess(.) 2.play,what,he,spor He wants to play chess.（改为一般疑问句）找出错误 he wants to play the chess with you He can play chess.He cannot play chess.(合并句子) Ls he play ing chess 麻烦1.I was told ____ Bill Gates was thirteen he began to play He began to play the piano when he was seven.(同义句)He( )( )th play. the. chess. he. violin. can. When he was five years old he began to play the violin 同义句