－How tired we are!
－Yes. we have math tests, we have physics tests. So many tests.
A. Sometime, at other time
B. Sometimes, at other times
C. Sometimes, at another time
D. Sometime, at another times
网友回答
A. Sometime, at other time
(答案→)B. Sometimes, at other times
C. Sometimes, at another time
D. Sometime, at another times
解析：Sometime以前的；Sometimes有时，偶尔；at other times在其他时候，平时；at another time在另一个时间；句意：我们太累了。——是的，有时我们进行数学考试，在其他时候，我们进行物理考试。考试太多了。结合语境可知选B。