問題詳情:
I can’t tell when the TV______ exactly, but it must be very long ago.
A. is invented B invent C. was invented D. has invented
【回答】
C
知識點:動詞時態
題型:選擇題
問題詳情:
I can’t tell when the TV______ exactly, but it must be very long ago.
A. is invented B invent C. was invented D. has invented
【回答】
C
知識點:動詞時態
題型:選擇題