1.I have been teaching in this school since 1998.(用for改写句子)I have been teaching in this school( )( )( ).2.The workers have been working for eight hours.(改为一般疑问句)( )the workers( )( )for eight hours?

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1.I have been teaching in this school since 1998.(用for改写句子)I have been teaching in this school( )( )( ).2.The workers have been working for eight hours.(改为一般疑问句)( )the workers( )( )for eight hours?

1.I have been teaching in this school since 1998.(用for改写句子)I have been teaching in this school( )( )( ).2.The workers have been working for eight hours.(改为一般疑问句)( )the workers( )( )for eight hours?
1.I have been teaching in this school since 1998.(用for改写句子)
I have been teaching in this school( )( )( ).
2.The workers have been working for eight hours.(改为一般疑问句)
( )the workers( )( )for eight hours?

1.I have been teaching in this school since 1998.(用for改写句子)I have been teaching in this school( )( )( ).2.The workers have been working for eight hours.(改为一般疑问句)( )the workers( )( )for eight hours?
1.for 12 years
2.Have;been working

1、for 12 years
2、Having been working

第一题答案是“for 12 years”.第一题是“Have been working”

1.for 12 years
2.Have;been working

I have been selling I have been trying I have ever been I too have been I have been to. I have been I have been in. I have been there,have been 是have been in还是have been to的缩写? i have always been there i have never been there I HAVE NEVER BEEN,能否说I never have been I have been so serious I have been so serious I-have-been-at-home I have always been you I have been loving you I have been a person . I have never been away! I have been wet through because i have been died.