Choose C

Script:

Mr Lee: Hello, Kim. Sorry for being late. Have you been waiting long?

Kim: It’s alright, Mr Lee. I’ve just arrived.

Mr Lee: It’s great to finally meet you in person after communicating via email for so long.

Kim: It’s an honour to be interviewed by you. My dream has always been volunteering for an international organisation.

Mr Lee: As you know, our programme is very popular. You stand out among other candidates thanks to your passion for environmental issues. Can you tell me where that’s coming from?

Kim: Growing up in the coastal town of Khanh Hoa, I saw the negative impact of human activities on our environment. The beach near my house looked and smelt awful and the shore was covered with waste. Then I realised that I had to do something to save the beach landscape.

Mr Lee: You organised some clean-up activities in your community, right?

Kim: We used to pick up trash along the beach at weekends. Although I’m no longer the organiser, the campaign is still going strong.

Mr Lee: Amazing. You really made a big impact. What will you do if you join our organisation?

Kim: I want to continue to do what I’ve been doing but on a bigger scale. My goal is to start a national clean-up programme.

Mr Lee: Let’s talk more about …

The city power grid operates ____________ every day thanks to many technicians. A. efficient B. efficiently C. efficiency D. efficiencies