题目内容

There are so many books!It is not easy for us to decide what to take and what to       .
A.take onB.pick upC.leave behindD.work out
C
句意为:有那么多书,很难决定如何取舍。take on表现,展现;pick up拣起,拾起;leave behind未能或忘记带某人某物,留下……;work out解决,回答出。
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