（1）When did Mr.Green and his students go on a school trip？
A.Last weekend.
B.Last month.
C.A week ago.
（2）How did they get to Green Town？
A.By train.
B.By school bus.
C.By boat.
（3）What time did they arrive in Green Town？
A.At 8：00 a.m.
B.At 9：30 a.m.
C.At 10：00 a.m.
（4）Who fell into the river？
A.Mr.Green.
B.A boy.
C.Two boys.
（5）Where did the two girls go？
A.To the park.
B.To the center of the town.
C.To the library.