19. book：名词，书本；当动词用，是指预订飞机座位、机票、旅馆房间等。此外还指警方将……登记如册以为指控之用（to press charge against someone, generally by the police)。 例如：

Mr. Chen has booked（或made）a reservation at a hotel. (陈先生已经预订了旅馆房间。)

Yesterday he booked a flight to Taiwan. (昨天他订购了到台湾的机票。)

The police booked him for drunken driving. (他被指控酒后驾车。)

20. house：名词，房屋；当动词用，是指供给住所 (to provide shelter)。 例如：

The farmer has housed the horse in the barn. (农夫把他的马圈在马厩里。)

I would be glad to house you for the weekend. (我很高兴这个周末你能够住在我这里。)

21. radio：名词，收音机；当动词用，是指用无线电发送讯息，广播，发报（to send a message）。例如：

At airport the lady radioed for a missing child. (机场中，有一位女士正在广播寻找一个走失的孩子。)

All U.S. ships will have to radio the Coast Guard when they are in trouble. (美国船只如果遇到困难，可以用无线电同海岸巡逻队取得联系。)

22. dog：名词，狗；当动词用，是指尾随某人，困扰某人或某事（to bother someone or something）。例如：

He was dogged wherever he went. (他不管到哪里，总被人尾随。)

Her career was dogged by misfortune. (她一生屡遭不幸。)

23. fare：名词，票价；当动词用，是指过活、进展（to get along or to turn out）。例如：

How do you fare？= How are you doing？

I fare very well. = I am doing (feeling) well.

How did you fare in your exam？ (考得怎样？)

I fared very well in my exam. (我考得很好。)

If he gets caught for shoplifting, he may fare a punishment. (如果他因为盗窃被捕，将会受到惩罚。)

24. father：名词，父亲；当动词用，是指为人父（to beget a child）。例如：

He has fathered two children before his remarriage. (他再婚前已经是两个孩子的爸爸了。)

Hopefully, Mr. Chen is going to father a child soon. (希望陈先生很快能够当上爸爸。)

注意：如果以母方来说，就是：

She bore him two children. (她为他生了两个孩子); 或

She bore a son. 也就是 He begot a son.

所以"to father a child"，也就是"to beget a child"