This nationwide smog should serve as a reminder to all, indicating a high time that we ______ on what we've done to the environment.
A.have reflected | B.are reflecting | C.will reflect | D.reflected |
推荐套卷
This nationwide smog should serve as a reminder to all, indicating a high time that we ______ on what we've done to the environment.
A.have reflected | B.are reflecting | C.will reflect | D.reflected |