Every year a flood of farmers arrive in Shenzhen for the money-making jobs they before leaving their hometowns.
The headmaster told the boy ________the angry teacher, but he refused to.
They are organizing a program to ________people's attention to protecting wild animals.
Completely ________in my writing, I didn't feel a heavy rain coming outside.
He ________late watching TV when he was a student, but now he ________to bed early.
According to news report, personal ________of guns is illegal.