20. ________ I achieve something in my studies, my mother has a big smile on her face.

19. My parents often tell me that to work honestly ________ in the long run.

18. I said hello to the couple, but to my surprise, ________ of them answered it.

17. The mother got a bit ________, for her daughter should have come back home from school.

16. An American woman was pulled alive on Thursday from ________ was left of the Montana Hotel in Haiti .

15. -What can I do for you, sir ?

-I want to buy a flat-large, comfortable and ________ at the seaside.