20.16.When did Mark and his friends go to Australia?
A.Last year.
B.Last Month.
C.Last weekend.
17.How did Mark go to Australia?
A.By air.
B.By train.
C.By ship.
18.What was Rose interested in?
A.Operas(歌剧)
B.Animals.
C.Sports.
19.Where did Dick go in Australia?
A.To the zoo.
B.To the opera house.
C.To the beach.
20.What kind of sports does Joan like?
A.Surfing(冲浪)
B.Ball games
C.Boating.