4.At the age of four,the boy began to learn drawing.(改为状语从句)________ he ________ four,the boy began to learn drawing.
问题描述:
4.At the age of four,the boy began to learn drawing.(改为状语从句)
________ he ________ four,the boy began to learn drawing.
答
the boy began to learn drawing when he was four years old
答
When was