【题目】Victor had almost every stamp from 1954 to 2014. He only needed one before his collects _______ .
A. would be completed B. was completed
C. was being completed D. has been completed
在线课程【答案】B
【解析】考查时态和语态。句意：维克多几乎拥有1954到2014年发行的每一枚邮票，他只需要一枚就能完成他的系列收集。通过题干中的had/needed可以得知，用一般过去时，收集和完成是被动关系，故选B。