问题补充:
He started to learn English in 1990 and in the years he kept on using it in his work.
A. following
B. followed
C. follow
D. that followed
答案:
A. following
B. followed
C. follow
(答案→)D. that followed
解析:本题考查定语从句。that followed是一个定语从句。如果用following,则应该说in the following years.故选D。