w supermarket was once close to closing down. But since the underground was opened, business has been _______.

________ are you, Simon —I’m five years old.

.In the near future, more advances in the robot technology _____by scientists

Mr. Li regards Liaocheng as his second _______ because he has _____here for many years.

The boy can’t play ________ piano, but he can play ________ soccer very well.