Question

fill in the blanks with interrogative pronoun .
1. ________ have they painted on the wall ?
2. _________ is the planet called the blue planet ?
3 . _________ do you know about the competition ?
4. _______ is the matter ?​

Answer 1

Answer:

1. why / when

2. why

3.what

4. what

Answer 2

Answer:

1) When

2) Why

3) How/what

4) What

Explanation:

1) When have they painted on the wall?

2) Why is the planet called the blue planet?

3) How do you know about the competition?

4) What Is the matter?