19．How long has the factory been open?

A．Only one year．               B．For two years．                C．For three years．

18．What kind of factory was built near the lake?

A．A paper factory．              B．A plastic factory．              C．A car factory．

17．How was the air around the lake before?

A．It was very fresh．              B．It smelled bad．                C．It was weird．

16．What did David often do on weekends?

A．He often played computer games．

B．He often went for a walk．    C．He often went fishing．

14．Whose birthday is that day?

A．Mike's．                      B．Helen's．                      C．Jessie's．

13．Who will go to see the exhibition that day?

A．Mike and his father．           B．Helen and her father．

C．Jessie and her father．

12．When will the birthday party be held?

A．Next Saturday evening．              B．Next Sunday evening．

C．Next Saturday afternoon．

11．Who made a phone call just now?

A．Mike．                       B．Helen．                       C．Jessie．