问题
选择题
As a result of the serious flood, two-thirds of the buildings in the area __________.
A．need repairing
B．needs to repair
C．needs repairing
D．need to repair
答案
A。
two-thirds of…作主语时，其后谓语应用复数，故可排除选项B和C。另外，由于动词need后接动名词时是用主动表被动，而接不定式时则用被动式表示被动，故此题答案应选A，不能选D。但是，若将D改为need to be repaired则也可以选。