A.He wants his mother's opinion about Adidas shoes.
B.He is easily fooled by ads.
C.He didn't play much sport before.
D.He makes good use of an ad to convince her mother.
A.Direct the driver.
B.Look ahead to see where there's a turn.
C.Move to the back seat if feeling uncomfortable.
D.Keep looking at the map to find a place to go to.
A.To get information when in danger.
B.To be saved in case of an accident.
C.To share the fun with them in exploration.
D.To tell them what's going on with the group members.