His first appearance on stage was at the age of three.他三岁时初次

His first appearance on stage was at the age of three.他三岁时初次 Selina went to her first _____ at the age of three. His first film was in the age of silent movies.翻译 Jet Li acted in his first film at the age of 17.同意句转换 ( ) the age of three,应该用哪个介词?on at in to "I went on my first amusement park ride at the age of eight" 英语翻译In 1920,when Dahl was four,his father died at the age of （ ） to theatre at the age of 7 was a turning point in his li He began to work there （ ）.A.on his fifty B.at the age of fi He began to work there____.A.on his fifty B.at the age of fi She left () New York at the age of 16 on his own.A.for B.to He ____　read ______ write at the age of three.