問題詳情:
Before I began this job, I _________ a babysitter for two years.
A. was B. have been C. had been D. am
【回答】
C
知識點:動詞時態與語態
題型:選擇題
問題詳情:
Before I began this job, I _________ a babysitter for two years.
A. was B. have been C. had been D. am
【回答】
C
知識點:動詞時態與語態
題型:選擇題