確かめよう
When（いつ） - When can we ski? We can ski in winter.
Where（どこで） - Where is my dictionary? It is under the books.
Who（だれ） - Who is this girl? She is Maria, my daughter.
Whose（だれの(もの)）－Whose book is this? It is mine.
Whose is this book? It is Saki’s.
What（何(の)） ‐ What is this? It is chocolate.
What do you do after school? I play tennis.
What language do you study? I study Chinese.
Which （どちら） ‐ Which do you speak, English or Portuguese? We speak Portuguese.
How (どのくらい) ‐ How many DVDs do you have? I have twenty DVDs.
How old are you? I am thirteen years old.