The word “non-essential” in the second sentence can be best replaced by __________.

Choose the word whose underlined part is differently from the others

Choose the word whose underlined part is differently from the others

Choose the word whose underlined part is differently from the others

Choose the word whose stress is put differently from that of the others.

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose primary stress is different from the others.

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

- 'Would you like some cake?'

- 'No, thanks. If I______ cake, I ______________ fat.'

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

Plants and animals could be used as ______________ against some diseases.