PDF chapter test TRY NOW

Match the sentences with the question tags. There are three extra tags.
  
Answer variants:
is he
are they
isn't he
hasn't she
has she
aren't they
weren't they
was it
  
1. That company wasn't developing new materials,
 ?
 
2. Sophie's invented a new smartphone app,
 ?
 
3. Jeremy isn't doing his homework,  
 ?
 
4. Jack and Olivia aren't going to fly to England,
 ?
 
5. Her grandparents were a bit angry,
 ?