问题标题：
Aonthertwomonthswillbeneededbeforethenewbridge____.Aonthertwomonthswillbeneededbeforethenewbridge____.A.completesB.iscompletedC.hascompletedD.willbecompleted
问题描述：
Aonthertwomonthswillbeneededbeforethenewbridge____.
Aonthertwomonthswillbeneededbeforethenewbridge____.
A.completes
B.iscompleted
C.hascompleted
D.willbecompleted
孙汝霞回答：
选B
题意是：
还需要2个月才能修好这座新桥.
修好桥,是桥被修好,因此要用被动语态,因此只能在B,D中选.而在这个句子的语境中,“桥修好之前”,并没有用将来时态的必要,只是陈述一下“桥修好”,故只能选B了
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