题干
I ____ back my hometown for a couple of years. I miss it a lot.
A：have gone
B：haven't gone
C：have been
D：hasn't been
答案(点此获取答案解析）
B
I ____ back my hometown for a couple of years. I miss it a lot.
A：have gone
B：haven't gone
C：have been
D：hasn't been
