A: __________ are you happy? B: Because I get good grades on my exams.
Why
A: _________ do people surf? B: They surf in the sea.
Where
A: _________ do people go swimming? B: In the summer.
When
A: _________ can people watch a movie? B: In the cinema.
Where
A: ________ tells the time? B: The clock.
What
