The polar bear’s _____ depends on its ability to catch fish.

It is very important for a firm or a company to keep _____ the changes in the market.

We couldn’t help laughing when he took _____ his teacher so well.

No one cares about the starving people _____.

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions

_____ are unpleasant, but it will be nice when we get into the new house.

- “ _______ .”

- “Never mind, better luck next time.”

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.

Usually the climate in mountainous areas becomes much windy at higher altitudes.