During the tourist season, there are many people wandering i

During the tourist season, there are many people wandering in this city to see the old castles_____ in the sixteenth century.
A.to be built B.being built
C.having been built D.built
wsbj1977 1年前 已收到1个回答 举报

davidsokol 春芽

共回答了18个问题采纳率:83.3% 举报

D

非谓语动词的动作先于句中谓语动词的动作时,用过去分词。

1年前

6
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