PDF chapter test TRY NOW

Fill in the gaps using the word in the brackets. These sentences are in the past perfect.
 
Example:
  
After they ____________________ (eat) the shellfish, they began to feel sick.
After they had eaten the shellfish, they began to feel sick.
 
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1.  We went out when we  (finish) our dinner.
 
2.  The garden was dead because it  (be) dry all summer.
 
3.  She told me that she   (study) a lot for the exam.
 
4.  The children  (do) their homework, so they weren't in trouble.
 
5.  We could go to the concert because we   (bring) our tickets.