1、Mr.Black used to ( ) a teacher .But now he is a writer.2、You ( ) smoke when you see the sign.

问题描述:

1、Mr.Black used to ( ) a teacher .But now he is a writer.2、You ( ) smoke when you see the sign.
1、Mr.Black used to ( ) a teacher .But now he is a writer.2、You ( ) smoke when you see the sign.3、( ) funny story!It makes us laugh again and again.

1.be
2,shouldn·t
3.What a