试题题干
Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
If you 
the used things, such as bottles or sheets of paper, you process them so that they can be used again. (cycle)
参考答案
试题解析
根据前文you代词，后文the used things名词，可知空格处应该填动词，根据意思后面用用过的东西再用，应该是recycle回收，再循环。句意：如果你回收用过的东西，如瓶子或纸张，处理一下它们，以便再次使用。