27. As five children under 10 got drowned in a southern province, it is not socially _____ for parents to leave children unattended at that age.
"I usually go there by boat." "Why not _____ by train for a change?"
It is no use ____ without _____.
He is ill. He has kept_____.
Having finished the work,_____.
The boy had his leg _____ while ____ football.