Mei shan has been a flight attendant___two years.a.for b.sin
Mei shan has been a flight attendant___two years.a.for b.sin
she has been a flight attendant for tow years.就for tow years
she has been a flight attendan for two years 对 for two years
she has been a flight attendant for about three years 改为同义句
The hospital has been open ____ A.for ten years before B.sin
mei lin has been a teacher ---.a.since two years b.since two
Tom___ China for 3 years.A.has been B.has been in C.has been
The book shop () for eight years.A.has been open B..has been
She___ for more than 2 years.A.has been died B.has been dead
2.He a teacher for three years.A.has be B.has been C.will be
Ben ______ a teacher for 4 years .A.has been B.has become C.
She has ( ) a member of the swim team for 6 years.A.been B.b