.When was _____ umbrella _____?A.an; invented B.the; invented并请说明理由,

When _____ you _____ to study English When I was thirteen .（说明理由） She was angey when she found the door was locked.She was angry _____ _____ the door was locked. Mary was hard at _____ when I got home. She _____(can)skate when she was only four. What was Davy doing when Linda _____（final) saw him? I _____(learn) that song when I was in Beijing. I was frightened when I heard the news同义句I was frightened _____/_____ _____ the news. He could read when he was two.（改写同义句）He could read _____ _____ _____ _____ two. i could swim when was 10 years old 同义句 I ____ _____ swim ____ _____ _____ _____ 10. 同义句转换: He could walk when he was thirteen months old. He could walk _____ _____ _____ _____. 英语翻译He said he ______ _____ _____ ____ when he was young 他八岁时就会游泳.(翻译) He _____ _____ _____swim when he was eight years old. 她5岁时就会弹钢琴 She______ _____ _____ piay the piano when she was five years old she could swim in the river _____ _____ ____six years old不能填when she was~ The _____ in the hotel majored in _____ when she was in college.(manage) .When was _____ umbrella _____?A.an; invented B.the; invented并请说明理由, When he got to school ,he found the classroom was _____.He realized it was Sunday. He was very sad when he heard the news.(改为同义句)He was very sad _____ _____ the news.