The horse the tree disappeared. Where has it gone? [ ] A．tieing toB．tieing on C．
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![The horse the tree disappeared. Where has it gone? [ ] A．tieing toB．tieing on C．](/pic/43_952365.jpg)
The horse ________ the tree disappeared. Where has it gone?
[]
A．tieing toB．tieing onC．tied onD．tied to
试题答案
答案：D
提示：（过去分词短语作定语.tie...to...把……系在……上.） |