____after he entered the unibersity his english has been much improve
题目
____after he entered the unibersity his english has been much improve
a after
b before
c when
d since
which one
答案
选D.since与现在完成时连用.
还有应该是improved .
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点