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?
人气：316 ℃ 时间：2019-09-27 11:15:50
解答
1.for 12 years
2.Have;been working
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