You can still remember those carefree schoolyard days when "it's Chinese to me" was an innocent phrase, and you didn't destroy conversations by asking if people were referring to the simplified or traditional script, or making a comment on aspectual particles.

Today those once inscrutable scribbles have resolved into characters with lives and stories of their own. In today's HSK test, your challenge is to make sure you aren't getting them mixed-up. For each sentence provided, identify the word among the four possible answers which best substitutes for the selected word from the original sentence.