When he was a child,he was always _______ out newA.try B.trying C_英语解答

When he was a child,he was always _______ out new
A.try B.trying
C.taking D.tried

人气：239 ℃　时间：2019-10-11 21:20:52

解答

B
try out 试验,考验,提炼
本句已有动词was,后面如再用动词则要用现在分词.
本句时态为过去进行时.