Question

If there ______ no water, there ______ no life on the earth. A．is, would be. B．was, was. C.

If there ______ no water, there ______ no life on the earth. A．is, would be. B．was, was. C．were, would be. D．were, would have.

Answer 1

C

本题if后跟的条件从句是虚拟句，be在虚拟句中用were，本题的后半句意思为地球上将没有生命，是there be，故本题选C。