来自杜玉军的问题
havingbeendone和hadbeendone的区别Allthetasks______aheadoftime,theydecidedtogoonholidayforaweek.A.havingbeenfulfilledB.hadbeenfulfilled为什么选A而不是选B?
havingbeendone和hadbeendone的区别
Allthetasks______aheadoftime,theydecidedtogoonholidayforaweek.
A.havingbeenfulfilled
B.hadbeenfulfilled
为什么选A而不是选B?
1回答
2020-12-24 02:31