The plan is dead. I it more water.A. will giveB. would have givenC. must giveD. should hav

问题补充：

The plan is dead. I it more water.

A. will give

B. would have given

C. must give

D. should have given

答案：

A. will give

B. would have given

C. must give

(答案→)D. should have given

解析：考查虚拟语气。句意：这个计划报废了。我本来应该加更多的水。“should+have+done”意思是“本来应该做某事，而实际没做。故选D。