16. That's it. That will do.来源：考试大

17. I'll say. That's what it is.

18. I suppose so. No doubt about it.来源：考试大

19. You can put it that way.

20. That's just what I think. /I take the same view.

21. I'm afraid you're right. /I have to agree with you.

22. Come on, you can do that. /I bet you can make it.

23. You have nothing to worry about.来源：考试大

24. Never say die. It's a piece of cake.

25. You never know what you can do till you try.

26. You will come up with the right answer.来源：考试大

27. It is not as difficult as it looks.

28. You've got lots of time to improve your English.

29. Take your medicine like a man.

30. Well, that's life, isn't it? /I know how you fell.