问题标题：
15.--Hi!Whereyouaregoing!--What'swrong?15.--Hi!Whereyouaregoing!--What'swrong?--Theroadrepairs_______.A.haven'tcompletedB.weren'tcompletedC.haven'tbeencompletedD.didn'tcomplete
问题描述：
15.--Hi!WhereyouaregoingHi!Whereyouaregoing!
--What'swrong?
--Theroadrepairs_______.
A.haven'tcompletedB.weren'tcompleted
C.haven'tbeencompletedD.didn'tcomplete
尚宏回答：
C
repair是及物的动词,所以路作主语只能用被动语态.
结合上下文,需要一个事情.从语义上选择否定完成时.
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