选all the time 还是 from time to time?

All the time .At times .From time to time . at times, in time, all the time, from time to time 分别是什么意思?快 from time to time All people need _______ from time to time.(relax) 英译汉：from time to time He continued to play the piano from time to time. 英语 from time to time 和 all then time 的区别 快! tom ( )(clean) the cr from time to time She_____(brush)the dog's fur from time to time. happy all to time TIME TO TRIES ALL nothing all the time