---Peter is not himself these days.---well, could you tell me________?
– We have forty students in the classroom . __________ of them are boys . How man y girls are there ? -- There are thirty .
The boy __________ his books and went for his dinner .
I am looking for a W.C , but I can’t find __________ .
Work hard __________ you will succeed .
If there __________ no buying and selling of animals , there __________ no killing .