根据句意和汉语提示补全句子(1)I help my mother________(洗餐具)every day.(2)Could you please________(叠衣服)?(3)My father is busy________(一直).(4)He spent________(一整天)cleaning the room.(5)What else did you do________(一整晚)?
句子翻译
他们从小学起就一直是好朋友.
The machine is hard to (控制). There must be something wrong with it.
Professor Xu gave us a talk on how to (保护) the environment last week.
The school will hold many activities to (庆祝) our country's 70th birthday.
Shall we go outside and breathe some (新鲜的) air?
Good ideas.