【原创】There is a _________ of 1000 dollars for the return
---Why did Tom become wealthy this year? ---Because he sold _________________ he did last year.
Not until his father came back ____________ to bed.
The doctor said that maybe his disease is __________ the water he drinks.
It’s an agreement between towns or cities, _______ have similar features, such as industry, culture and entertainment.
Unfortunately, his dog got __________ by the car.