Because of the depression, thousands of the ______ moved into European countries.

All the workers' salary is sent by _____. They do not get cash in hand.

Oliver's English was not good last year. After days and days of practice, his English is getting better ______.

Before you sign the contract, you have to pay attention to each _____ rules. Or you may get into trouble sometime in the future.

My schedule next week is really _____. You can call me at any time you like.

As one is suspected, the new law ______ the police to search private houses.

The pilot made a ______ mistake, which caused hundreds of deaths on the plane.

Pamela always gets straight As in her academic performance. She gets _____ for her pocket money.

People buy insurances for ________ their safety and property.

We won't buy that car because it is out of our _____.

Mr. Joseph is a good teacher. He always gives his students lots of handouts as _____.

Studying abroad usually costs lots of money. The ______ for international students is three times higher than the one for local students.