Daniel is very modest. He never __________ before his friends.

500,000dollars ____ a lot of money, but it’s far less than they need.

There ________ lots of trees on both sides of this street.But now they are all gone.

The prices of new houses in our city have been ________than before, but they ______ well at present.

 —Smoking is bad for your health.        —You’re right. I decide to         .