Three quarters of the forest ________ burnt to ashes and the rest ________ cut down for construction.
A．was; has been
B．was; have been
C．have been; is
D．are; has been
Three quarters of the forest ________ burnt to ashes and the rest ________ cut down for construction.
A．was; has been
B．was; have been
C．have been; is
D．are; has been
答案：A解析：第一空，作主语的名词词组由“分数＋of＋名词”构成，动词依名词类别而定，因此第一空的谓语动词应用单数，并且说的是过去的情况，故应用was；第二空前的the rest 相当于the rest forest，因此谓语动词也应用单数形式，又因动作已完成，对目前有意义，时态应用完成时，故选A。