A tourist will easily lose his way in Shanghai_____ he has a map or a guide. A. if B. since C. while...
2023-02-13 03:57:57 64次 2013-2014学年河南省郑州市九年级上学期第二次学科竞赛英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
A tourist will easily lose his way in Shanghai_____ he
has a map or a guide.
A. if B.
since C.
while D. unless
本题链接：
