PDF chapter test TRY NOW

Complete the sentences using the information in the brackets. Use the past perfect in negative sentences. Study the example.
 
Example:
We ate at a restaurant last night because I ____________ (buy) anything for dinner.
We ate at a restaurant last night because I had not bought (hadn't bought) anything for dinner.
 
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Write only one option (one form).
 
1.  I saw him because he  (not/leave) for work.
 
2.  He didn't get the job because he  (not/send) all his papers in.
 
3.  She  (not/iron) her blouse. She looked a mess.
 
4.  In the shopping centre I met a friend who I  (not/see) for ages.
 
5.The thief could walk right into the house because you  (not/lock) the door.