Look at this group of people ______ beach volleyball.
C
现在分词作定语，表示正在进行的动作。
—— We have to stop talking here outside. Listen, _______! —— Hurry up, or we’ll be late
There are many sales this season, during which stores will lower their _______ prices.
You’d better leave things ________ if you don ’t know how to deal with them
To a worker, ________ from the point of view of society is necessary labor is from his own point of view voluntary play.