Scientistssayitwillbeafewyears
來源:國語幫 2.43W
問題詳情:
Scientists say it will be a few years ______ it is possible to test the new medicine on patients.
A. because B. after C. since D. before
【回答】
D
知識點:連詞
題型:選擇題
問題詳情:
Scientists say it will be a few years ______ it is possible to test the new medicine on patients.
A. because B. after C. since D. before
【回答】
D
知識點:連詞
題型:選擇題