将下列主动句改为被动句 They clean their classroom after school.Li Lei gave Tom a new pen last week

问题描述:

将下列主动句改为被动句 They clean their classroom after school.Li Lei gave Tom a new pen last week

Their classroom is cleaned after school.
Tom was given a new pen by Li Lei last week.或 A new pen was given to Tom by Li Lei last week.