Scientistsarenowworking
來源:國語幫 7.31K
問題詳情:
Scientists are now working ______ humanoids. Because they can help people a lot.
A. on B. against C. into D. to
【回答】
A
知識點:介詞和介詞短語
題型:選擇題
問題詳情:
Scientists are now working ______ humanoids. Because they can help people a lot.
A. on B. against C. into D. to
【回答】
A
知識點:介詞和介詞短語
題型:選擇題