3 Read the answers and write questions.

Solution:

1. what / you want to do
   A: What do you want to do?
   B: I want to play football.
2. who / you call
   A: Who do you call?
   B: I'm calling my grandma.
3. when / they arrive
   A: When do they arrive?
   B: They arrived two hours ago.
4. where / you live
   A: Where do you live?
   B: I'll live in Berlin.

Explanation: This exercise involves creating questions based on given answers. The question word (what, who, when, where) is provided, and you need to form a grammatically correct question that elicits the given answer.