问题
选择题
You can see the stars on a clear night, but in the daytime they are ________. [ ]
A. unavoidable
B. invisible
C. inaccessible
D. unavailable
答案
答案:B
You can see the stars on a clear night, but in the daytime they are ________. [ ]
A. unavoidable
B. invisible
C. inaccessible
D. unavailable
答案:B