the young man ____10,000 miles so far. A has covered B had covered C covered.选哪个,为什么?谢谢

问题描述:

the young man ____10,000 miles so far. A has covered B had covered C covered.选哪个,为什么?谢谢

A so far 到目前为止,这个短语常跟现在完成时态.