题干
Jackson school two years ago and he for two years.
A：leaves; has gone
B：left; has been away
C：leaves; has been away
D：left; has gone
答案(点此获取答案解析）
B
Jackson school two years ago and he for two years.
A：leaves; has gone
B：left; has been away
C：leaves; has been away
D：left; has gone
