TIDAL WAVES ...THE RESULT OF AN ABRUPT SHIFT IN THE UNDERWATER M...

333. - 1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN
1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN

333. Tidal waves ...the result of an abrupt shift in the underwater movement of the Earth.

A. is

B are

C. was

D. were