49.be good/ bad for… 对……有好处/坏处
Eating a balanced diet is good for health.
50. enjoy /hate / go on / finish /mind /keep doing sth. 喜欢/讨厌/结束/ 介意/反复/继续做某事
Would you mind playing with me after finishing / you finish doing your homework?
The baby kept crying until / till his mother came back.
51.It takes sb. some time to do sth 做某事花掉某人多少时间做某事
Could you please tell me how long it will take us to get there on foot?
52.give /show/ bring/ lend/ send/pass/ tell sth to sb. 给/展示/带来/借给/邮寄/传递/告诉某人某事
Would / Could you please show me the way to the nearest post office?
53.It’s time for…/to do sth. 该做某事了/ 是做某事的时间了
It’s time for lunch. = It’s time to have lunch.