ionally, college students hold a graduation ceremony to encourage themselves before they on their life journey.

The teacher together with the students _____discussing Reading Skills that ______newly published in America.

The ________ people in the traffic accident were given first aid at once.

It is comforting to see that ________， we are doing our part for the environment.

What do you think of the 3D-printed ______—I’m afraid they are not safe enough to live in.