If there were life on Mars, such life forms __________ unable to survive on earth.
A: would be
B: are
C: will be
D: should
A: would be
B: are
C: will be
D: should
举一反三
- If there were life on Mars, such life forms __________ unable to survive on earth.
- There ______ no life on the earth without air. A: will be B: is C: would be D: were
- Some scientists think there may have been life on the Mars in the past because （） A: there is no life there now B: there is a large amount of water at the poles C: the Mars may be able to support life in the future D: conditions may have been similar to those on the Earth
- “Mary believes that there is life on Mars” implies “Mary knows that there is life on Mars”. （ ）
- If you love life, life ________ love you back. A: will B: would C: should D: do