17) You’d better catch a bus. 你最好去坐车。

　　18) He often asks policemen for help. 他经常向警察求助。

　　19) You must look after yourself and keep healthy. 你必须照顾好自己，保持健康。

　　20) I keep a diary to help me remember things. 我写日记以帮助自己记住事情。

　　21) I make lots of telephone calls. 我(经常)打许多的电话。

　　22) Good luck with your Chinese. 祝你的汉语(学习)能有好运。

　　23) Good luck to you. 祝你好运。

　　24) Last month we helped them with the rice harvest. We really enjoyed working on the farm.

　　上月我们帮他们收割了水稻。我们真喜欢这次在农场的劳动。

　　25) Thanks a lot for inviting me to your party. I’d love to come.

　　感谢你邀请我参加你的晚会。我愿意来(参加)。

　　26) Can I take a message for you? 我能为你带个口信吗。

　　27) I am working hard on my exams. 我在努力应对考试。

　　28) We’ll have a lot of fun. Oh, I can’t wait! 我们将过得很开心。哦，我简直等不及了。

BOOK TWO ( II )

　　1). Help yourself to some soup. 随便喝点汤吧。Help youself. (请慢用;别客气。)

　　2). Either my father or my mother cooks dinner on weekdays.