A:to watch
B:to be watched
C:watching
D:being watched
“2014年中国综合小康指数”调查显示,人们最关注的是“食品安全”问题.下列有关做法中,正确的是( )
I have a pencil box. It's blue. There are lots of things in it. I have a pen. It's red and long. I like it. I have three pencils. They are short. I have a ruler. It's big. I have an eraser. It's small.