A.To ask another strong swimmer to accompany you.B.Inquire about local currents and tides.C.Keep your eyes open for the red flag at the beach.D.Keep off some dangerous sharks in the se
A.To ask another strong swimmer to accompany you.
B.Inquire about local currents and tides.
C.Keep your eyes open for the red flag at the beach.
D.Keep off some dangerous sharks in the se