Jim （）in a factory .He （）there for three years .（work） My mother（）a teacher .She

题目

Jim （）in a factory .He （）there for three years .（work） My mother（）a teacher .She
1.Jim （）in a factory .He （）there for three years .（work）
2.My mother（）a teacher .She （）a teacher for twenty years .（be）
3.The city（）a lot since I came here .（improve）
4.My brother liker（）He （）for two hours.（swim）
5.A:How long （）you （）in the football club B:For two years.
A:When（）you ( ) the English club B:Two weeks ago .(join ,be)
6.It（）/（）（）7 years since he came to Beijing（be）

答案

works...has worked

is..has been

has improved

swimming...has swum

have...been
did.join

is / has been