-- Three fourths of the surface of the earth _________ sea.
A: is
B: are
C: were
D: has been
A: is
B: are
C: were
D: has been
举一反三
- Three - fourths of the suffrage of the earth ______ sea. A: are B: were C: is D: has been
- Three fourths of the surface of the earth________ sea. A: are B: is C: was D: were
- ________ of the earth ________ covered by sea. A: Three fourth; is B: Three fourths; is C: Three fourth; are D: Three fourths; are
- Approximately (three - fourths) of (the earth's) surface (are) covered (with) water. A: three-fourths B: the earth’s C: are D: with
- Three-fourths of the surface of the earth ________ sea. A: is B: are C: is of D: has