1.haven't heard (因为后文有for months,所以前面要用完成时)
2.he devotes himself into education.
倾注所有精力于:devote oneself into sth/doing sth
3.C How's it going?你最近怎么样?
4.A be open to public 对公众开放
5.experienced 体验
1.haven't heard (因为后文有for months,所以前面要用完成时)
2.he devotes himself into education.
倾注所有精力于:devote oneself into sth/doing sth
3.C How's it going?你最近怎么样?
4.A be open to public 对公众开放
5.experienced 体验