It is obvious that people hold different opinions about ____ voluntary services should be financially rewarded.

Is this your e-book? —No, ________ is on the teacher’s desk.

Avatar is an interesting film. I ______ it twice already.

Are you going to Guilin by plane?—It’s fast but expensive, so I’m not sure. I __________ take a train.

Have you watched the program“Where Are We Going, Dad”? It seems very _________. — I agree with you. Many of us like it very much.