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

I catch a cold in school a few days ago and have been ill ever since.

Natural resources are the useful things that occur (36) __________ in the environment.

Which can be the best title for the passage?

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.

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following questions.

This job requires people to work ___________ together.

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.

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.

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

Try to work hard. Otherwise, you will fail the final exam.