(A) THE OCEANS CONTAIN MANY (B) FORMS OF LIFE THAT (C) HAS NOT YET...

30. - BAI TAP TRAC NGHIEM TIENG ANH 12
BAI TAP TRAC NGHIEM TIENG ANH 12
30. (A) The oceans contain many (B) forms of life that (C) has not yet been (D)discovered.V. Choose the correct sentence among A, B, C or D which has the same meaning as the given one.