题目内容
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
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。
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。
练习册系列答案
相关题目