Water has been vital to the development and survivor of civilization.

Mark letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions.

 He started working in this company five years ago.

You don't seem very __________ about the party. Don't you want to go tonight?

All __________, no matter how small, will be much appreciated.

Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

One reason birds have been so successful is because of their able to escape from danger quickly.

She __________a letter when the telephone rang.

Would you mind if I__________your dictionary?