【正文】
kends , didn 39。 t s he ?usedn39。 to 為不定式符號(hào),后跟動(dòng)詞原形。 ( ) 1 . I used to ____ a lot of ti m e __ __ basketball aft er sch oo l . A . ta ke。 t pla y tennis m uc h these da y s, but I _ _ _ _ _ _ _ . used to is used to is used to use to used to ( ) 1. ( 2022 6 . I used to _ _ _ _ _ _ (stud y ) Englis h b y readin g newspapers when I w a s at schoo l . 7 . Robots are used t o _ _ _ _ _ ( help) people do m a n y things . study help 【解析】 be used to d o sth 被用來(lái)做 ?? ,為被動(dòng)語(yǔ)態(tài)。例如: She used to be ver y t hi n ,??????????didn39。例如: He told us he used to play fo otb a ll when he was young . 他告訴我們他年輕的時(shí)候常常踢足