Older people and people with pre-existing medical conditions appear to be more _________ become severely ill with the COVID-19 virus.

The word "it" in bold in paragraph 2 refers to ________

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
It is advisable that we should avoid _________ leaded petrol to save the environment.

Mark the letter A, B, c, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions
Choose the word that differs from the other three in the position of primary stress: nature, marriage, value, belief

I’m enjoying my English class, but it’s about to ________ to an end.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions
Choose the word(s) CLOSEST in meaning to the underlined word(s): Hundreds of thousands of elephants were illegally poached and their tusks sold for profits. 

Mark the letter A, B, C, or D on your answer sheet to indicate the option that best completes each of the following exchanges
Jenny and Kathy are arranging to see a new film.
- Jenny: “Why don’t you come over and see the new film with me?”
- Kathy: “ _______ ”