（1）Where did Bill plan to go this Sunday？
A.To the Great Wall.
B.To the Yellow River.
C.To the Palace Museum.
（2）Who will go with Bill？
A.His friend.
B.His sister.
C.His brother.
（3）Where has Jack been？
A.To the zoo.
B.To the park.
C.To the mountain.
（4）What has happened to the fish？
A.Lots of fish has died.
B.Visitors have caught the fish.
C.The fish have been protected.
（5）Why has the lake become dirty？
A.Because no one protects it.
B.Because there are too many dead fish.
C.Because the visitors throw rubbish into the lake.