問題詳情:
It's necessary_______ us to keep the classroom_______ every day.
A. for; cleans B. of; clean C. for; clean D. of; cleaning
【回答】
C
知識點:相似 相近詞比較
題型:選擇題
問題詳情:
It's necessary_______ us to keep the classroom_______ every day.
A. for; cleans B. of; clean C. for; clean D. of; cleaning
【回答】
C
知識點:相似 相近詞比較
題型:選擇題