2 Jack _______ to help clean the classroom after school. Everybody is surprised because he is usually very lazy.
(A) forgets (B) refuses (C) declines (D) volunteers
Mary started her ____________ as a high school teacher as soon as she graduated from college, and is still in love with her job at this moment.
(A) vacation (B) motto (C) career (D) homework
33 Our family trip to Yellow Stone National Park last summer is one of the most___________ experiences in my life. I
will never forget all the beautiful sceneries I saw there.
(A) luxurious (B) memorable (C) popular (D) romantic