Some students often drop litter carelessly in our school. What can we do- We can _______ some signs to remind them not to do that again.

The cars in Japan are much cheaper than__________ in China.

With the increasing unemployment rate, workers who are 50 to 60 years old are usually the first to be___.

There a sports meeting next week.

My good friend Rose went to the party with her husband, ________ a happy evening of wine, food and song.[ ]