1.My dad (has replaced/has been replaced)the fence already.
1.My dad (has replaced/has been replaced)the fence already. 2.The car (hasn't repaired/hasn't been repaired). 3.I (haven't cut/haven't been cut)the grass yet. 括号里面选哪个,还要说原因! 还有一个: this apartment( hasn't cleaned/hasn't been cleaned)for ages. 这句是被动语态吗?