Question

The flower is dead. I ___ it more water.

A．will give	B．ought to give
C．could have given	D．ought to have given

Answer 1

D

试题分析：句意：这个花死了，我本应该给它浇更多的水的。从The flower is dead.可知是浇水是过去的事情，排除AB，could have done本来可能做却没做，ought to have done本应该做却没有做。选D。