How long ___ the celebrations for Spring Festival ___ A.did,laste_英语解答

How long ___ the celebrations for Spring Festival ___
A.did,lasted B.does,last C.lasts D.do,last
到底是什么

人气：416 ℃　时间：2020-01-29 13:56:57

解答

D
主语the celebrations 是复数,排除B,C
A 用了助动词did ,last 应该用原形,排除.