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поставти have,has,was,were

1)"... you ever been to the Kremlin?"-"Of course, we ... .We ... there last Sunday." 

2)"My little sister ... not been to the zoo yet/ ... your little brother been there?"- "Yes, he ... He ... at the zoo last weekend.But I ... not been there for ages.Let s all go together.It s worth visiting in MJay."

3)They ... already been to the  museum.They ... there last month. 

1 have....? have,were

2has,has,has,washave.

3have,were

1 Have,have,were

2 has,has,has,was,have

3 have,were