—The best things in life are free.
—Couldn’t agree more. Air costs ______, but we can’t live without it.
something
nothing
anything
everything
—Mum,where are my socks? —Under your bed.You should________your things. A.put on B.put down C.put away
China is going to________a manned space station around 2020 to explore more space.
(浙江嘉兴)The little child________the toys and went for dinner.
The old man lives________but he doesn’t feel________.
—What can I do to find my lost watch? —You’d better________a notice.