Choose the best option to complete the following question

Choose the best option to complete the following question.

Question:

5. In my opinion, rock climbing is a(n) ______________ sport.

    A. heavy

B. strong

C. extreme

D. hard

Choose the best option to complete the following question.

Question:

6. Every time I go zorbing with my friends, I make a list of ______________ equipment that I have to wear.

    A. secure

B. safety

C. supportive

D. outdoor

Choose the best option to complete the following question.

Question:

7. Instead of waiting for Jack, why don't we go to the bowling ______________ to kill time?

    A. center

B. lane

C. alley

D. theme park