Makesure heisathomeornotbeforeyoucallonhim. A...
問題詳情:
Make sure he is at home or not before you call on him.
A. if B. whether C. what D. how
【回答】
B
知識點:連詞
題型:選擇題
問題詳情:
Make sure he is at home or not before you call on him.
A. if B. whether C. what D. how
【回答】
B
知識點:連詞
題型:選擇題