A．He swam faster than he had ever swum before.
B．The sea anchor disentangled itself.
C．He abandoned the air cushion.
D．The sail came down.
A．He got exhausted in trying to catch up with the boat.
B．It was his last trip.
C．The boat slowed down.
D．He had not been so good.
A．Indoor sports.
B．Cultural comparison.
C．Conversation skills.
D．Japanese psychology.