He the things in the old case which he wanted to keep.
A. left aside
B. set aside
C. tested out
D. turned around
网友回答
A. left aside
(答案→)B. set aside
C. tested out
D. turned around
解析：动词短语辨析。Leave aside不考虑; set aside把…置于一旁，不理会;储蓄；收拾，整理；test out充分检验；turn around（生意）好转，转变；转过身来；句意：他把他想保留的东西都整理放在旧箱子里。