问题
选择题
A tourist will easily lose his way in Beijing ______ he has a map or a guide.
A.if
B.because
C.unless
D.when
答案
答案:C
四个选项分别表示如果、因为、除非和当……时候,根据题意选项C为最佳答案,旅行者很容易在北京迷路,除非他有地图或者向导。
A tourist will easily lose his way in Beijing ______ he has a map or a guide.
A.if
B.because
C.unless
D.when
答案:C
四个选项分别表示如果、因为、除非和当……时候,根据题意选项C为最佳答案,旅行者很容易在北京迷路,除非他有地图或者向导。