Have you ever met with this case in your life you can't understand others even if they have said something several times?
---Did you go to the cinema last night? ---Well, I had ____ to , but it was raining too hard.
Sorry, we are late,--our plane was _____ because of the heavy rain.
I’d like to have visited the Palace Museum, but something unexpected _______ to my father.
-What are you busy with ? -The conference _______ in our city next week.
Attention, coffee lovers! We have for you, the best coffee machine _____ invented.