問題詳情:
_______ on your study, and you will make greater progress.
A.Concentrating B.If you concentrate
C.Concentrate D.To concentrate
【回答】
C
知識點:非謂語動詞
題型:選擇題
問題詳情:
_______ on your study, and you will make greater progress.
A.Concentrating B.If you concentrate
C.Concentrate D.To concentrate
【回答】
C
知識點:非謂語動詞
題型:選擇題