To cry over spilled milk is to cry（）
A: in a vain
B: in the vain
C: in vain
D: in no vain
A: in a vain
B: in the vain
C: in vain
D: in no vain
C
举一反三
内容
- 0
Mary is as vain as a peacock and always wants to the __________ of attention.
- 1
He ____ in vain to make his wife happy.
- 2
We know that their deaths were not___(in vain).
- 3
A．vainB．depthC．briefD．essence A: vain B: depth C: brief D: essence
- 4
in vain A: 无效 B: 痛苦 C: 主要 D: 获利