tim has been in australia for six months .his brother hasn"t seen him __january.
问题描述:
tim has been in australia for six months .his brother hasn"t seen him __january.
(for/since/from /by)
翻译
选择哪一个?为什么?
答
选择Since,现在完成时表示时间跨度.Since+时间点是固定的用法.