—What did you do on April Fool's Day?—I played a trick ______ my brother.
He can _________ in English because he can ______ very few English words.
I hope you ______ fun ______ the fashion show.
One of the students __________ good at ________piano.
I’m cooking breakfast for my ________ mother. She’s ________ in hospital now.
There are _______ doctors and nurses working hard in that hospital.