问题
选择题
______ around the cultural relics for almost an hour, we got together under a big tree for a short break.
A．Having shown
B．Having been shown
C．To show
D．To be shown
答案
答案：B
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______ around the cultural relics for almost an hour, we got together under a big tree for a short break.
A．Having shown
B．Having been shown
C．To show
D．To be shown
答案：B