A．He was afraid that he might be too far away from the shore.B．He was afraid of sinking in the sand.C．He was afraid that the tide might suddenly set in.D．He was afraid that the tide would wet his shoes and trousers.
A．He was afraid that he might be too far away from the shore.
B．He was afraid of sinking in the sand.
C．He was afraid that the tide might suddenly set in.
D．He was afraid that the tide would wet his shoes and trousers.