申博体育

Exercises by level

Video: do / be / have

To do - to be

Exercises - auxiliary verbs

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  1. Do / does / am / is / are - 1
  2. To do / to be - short answers 1
  3. Do / does / am / is / are - 2
  4. To do / to be - short answers 2
  5. #

     page 01 - page 02

  
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