问题补充：
Tom is now getting on very well with his studies ,with his maths and physics .
A. or else
B. or rather
C. rather than
D. other than
答案：
A. or else
(答案→)B. or rather
C. rather than
D. other than
解析：or rather 更准确地说 rather than=instead of 而不是；other than=but/except
