For some years after his graduation, he _______ some of hisclassmates, but as times went by, he dropped them one by one.
A.caught up with B.kept in touch with C.kept up D.made up with正确答案B
For some years after his graduation, he _______ some of hisclassmates, but as times went by, he dropped them one by one.
A.caught up with B.kept in touch with C.kept up D.made up with正确答案B