1 He 2 to 3 lot 4 a 5 gum 6 used 7 chew

1 He 2 to 3 lot 4 a 5 gum 6 used 7 chew Amy used to chew gum a lot变为否定句 I used to chew gum a lot.怎么译,a lot是什么成分 关于chew gum a lot I used no chew gum very often改为同义句 I used to chew gum ______ when he was at college,he used to travel a lot.这句活used to已经表 he used to cause a lot of trouble he used to cause a lot of trouble 主要内容 He used to cause a lot of trouble翻译 He used to casue a lot of trouble He used to cause a lot of trouble 翻译 叙述 HE used to cause a lot of trouble这个故事