問題詳情:
A tourist may lose his way in the mountains __________ he has a map.
A. if B. because C. when D. unless
【回答】
D
知識點:連詞
題型:選擇題
問題詳情:
A tourist may lose his way in the mountains __________ he has a map.
A. if B. because C. when D. unless
【回答】
D
知識點:連詞
題型:選擇題