【正文】
The fridge keeping food fresh. waiter took away the plates after we finished eating.(改為被動 語態(tài) )(2022達(dá)州 ) The plates away by the waiter after we finished eating. telephone was invented by Bell.(對畫線部分提問 ) the telephone invented ? was your motorbike bought?(改為主動語態(tài) ) you your motorbike? after is used for were taken Who(m) was by When did buy