问题补充:
Tom studies harder this term. , he has made great progress in his lessons.
A. As a result
B. After all
C. By the way
D. Instead
答案:
(答案→)A. As a result
B. After all
C. By the way
D. Instead
解析:as a result结果,因此;after all毕竟;by the way顺便说一下;instead代替。