Theworkersmadecontributions
來源:國語幫 1.12W
問題詳情:
The workers made contributions__________ the environment.
A. protect B. to protect C. to protecting D. protecting
【回答】
C
知識點:動詞和動詞短語
題型:選擇題
問題詳情:
The workers made contributions__________ the environment.
A. protect B. to protect C. to protecting D. protecting
【回答】
C
知識點:動詞和動詞短語
題型:選擇題