The rescue workers searched every room of the house trying to find any survivors but in vain. What does “in vain” mean in this sentence?
A.with success B.in delight C.on purpose D.without success正确答案D
The rescue workers searched every room of the house trying to find any survivors but in vain. What does “in vain” mean in this sentence?
A.with success B.in delight C.on purpose D.without success正确答案D
