doctor, actor, lawyer or a singer
why not president, be a dreamer
you can be just th

第一组： Ity-crity-acrity-lacrity-alacrity 例句：They accepted our offer with alacrity. 他们欣然接受了我们的提议。

第二组：Rite-favor-favorite ,Do me a favor帮我个忙 in favor of 赞成；支持 I am in favor of stopping work now. 我赞成现在停止工作。

第三组：bitter-hitter-sitter-heavy hitter-baby-sitter

第四组：petition（请愿书）-competition-draw up a petition( 草拟请愿书) 提示：词根pet-to fly; to seek(寻求)

分组练习1： ide--ride--deride--stride

分组练习2： ride--hayride-park and ride--override-outride

分组练习3： ride--come along for the ride--go along for the ride--get a ride--get a free ride

分组练习4： ride--give sb a rough ride--hitch a ride--let sth--ride--take sb for a ride

分组练习5： ride a bus--ride a wave--ride a winner

分组练习6： ride on sth--ride on sb's shoulders--ride on sb's back

分组练习7： ride sb down--ride sth out-ride roughshod