When he was 10 years old,he______on the stage for the first time怎么填

when he was 10 years old句意相同when he was 10 years__ __;when he was__five;when he was a boy__ __. can you i___ he could ride a bike when he was 10 years old. He could ride a bike when he was 10 years old的同义句 He could speak English when he was four years old. he()when he was 65 years old(retire)如果可以， When he was 10 years old,he______on the stage for the first time怎么填 when he was ten years old 的同义句 when he was three years old[改同义句 ( )your brother swim when he was four years old?CanCouldDoDoes He when to school when he was nine years old.为什么时态一致? -The boy____play the guitar when he was only seven years old -How clever he was! When he was only twelve years old ,he was already a skating c＿＿. How old was he when he became a player?怎么回答?是：When he was 20 years old. He did not play football any more when he was forty years old.改为同义句：He _____ _____ football when he was forty years old. He weighed (50 kilogrammes )when he was 13 years old.对括号部分提问.（ ）（ ）did he weigh when he was 13 years old? he started swimming when he was four years old,同义句he started swimming ( ) ( ) he started swimming when he was four years old 等于 he started swimming _____the____of four. He started swimming when he was four years old .(同义句) He started swimming（ ）（ ）