he finished ______ the letter at 8:00 last night.a/wrting b/write c/ to write d/wrote.填空/.
问题描述:
he finished ______ the letter at 8:00 last night.a/wrting b/write c/ to write d/wrote.填空/.
答
a
答
a/wrting 表示结束做某事.
答
A
finish doing sth.