Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.

Maria and Alex are talking about the environment.

- Maria: “Our environment is getting more and more polluted. Do you think so?”

- Alex: “ ________ . It's really worrying.”

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

John is planning ___________ to the gym after work today.

"I met her two days ago," said Tim

When the old man ________ past the park, he saw some children playing football.

Rapid ________ happened during the period of industrialization in Europe and North America the 19th and early 20" centuries.

Playing basketball is _______ than playing badminton.

I didn’t _______ to see my aunt when I was in Paris.

I am now reconciled with two of my estranged siblings - not just my older brother, but my sister, whom I hadn't spoken to for 17 years,

I could hear voices but I couldn't ________ what they were saying.

She needs __________ new phone because her old one was broken.

The application form ________ to the university before May 31st.

The number of rare animals is decreasing so rapidly, ________ ?

Could I pick your _______ on the subject before the meeting?