問題詳情:
Tony knows China very well because he ______ in China for twenty years.
A. works B. was working C. will work D. has worked
【回答】
D
知識點:動詞時態
題型:選擇題
問題詳情:
Tony knows China very well because he ______ in China for twenty years.
A. works B. was working C. will work D. has worked
【回答】
D
知識點:動詞時態
題型:選擇題