В скобках – правильный вариант, то что подчеркнуто –
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1. Was
(Did) he play tennis last week?
2. Did you see Tom at an
(the) end of the month?
3. Did he played (play) tennis yesterday?
4. Did she likes (like) to swim?
5. Didshe be (Was she) in London last week
6. Do they celebrated (Did they celebrate) the holiday last year.
7. Did they can (Can they) swim well?
8. They couldn't come, didn't (could) they?
9. He was busy , didn't (wasn't ) he?
10. She got up at 7 o,сlock, did (didn't) she?