Help me solve my homework

Привет! Давай разберем это задание вместе. Нужно закончить предложения, используя подсказки в скобках.

1. Your friend had a party and didn’t tell you.

   • "You should have told me about your party."

2. You see a friend coming out of the cinema with a box of popcorn.

   • "He must have seen a film."

3. You see people coming out of a concert looking unhappy.

   • "It can't have been a good concert."

4. Your friend has lost her voice after singing for a long time.

   • "She must have been singing for hours."

5. You want to see a show but there are no tickets left.

   • "We ought to have bought the tickets yesterday."

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