Add the necessary Indefinite Pronouns some -, any -, no -, every -.
was really bored during the holiday. I did and went .

I woke up and suddenly seemed better.

There was water all over the floor. It was .

There's very attractive about her.

Did see George Clooney's latest film?

is talking about the new soap opera.

I'm sure there is downstairs.

I can't make my point clear. understands me !

Let's go different tonight.

must hand in their homework by Friday.

To add the necessary indefinite pronouns, we need to fill in the blanks with words that make sense in the context of the sentences. Here is the step-by-step solution:

1. I was really bored during the holiday. I did something and went somewhere.
- The word "something" can be used to indicate an unspecified activity, and "somewhere" can be used to indicate an unspecified location. So the completed sentence would be: "I was really bored during the holiday. I did something and went somewhere."

2. I woke up and suddenly seemed better.
- No indefinite pronoun is needed in this sentence because it is already complete: "I woke up and suddenly seemed better."

3. There was water all over the floor. It was something.
- The word "something" can be used to refer to an unspecified thing, in this case, the water on the floor. So the completed sentence would be: "There was water all over the floor. It was something."

4. There's something very attractive about her.
- The word "something" can be used to refer to an unspecified quality or aspect. So the completed sentence would be: "There's something very attractive about her."

5. Did someone see George Clooney's latest film?
- The word "someone" is used to refer to an unspecified person. So the completed sentence would be: "Did someone see George Clooney's latest film?"

6. Everyone is talking about the new soap opera.
- The word "everyone" is used to refer to all the people. So the completed sentence would be: "Everyone is talking about the new soap opera."

7. I'm sure there is someone downstairs.
- The word "someone" is used to refer to an unspecified person. So the completed sentence would be: "I'm sure there is someone downstairs."

8. I can't make my point clear. No one understands me!
- The word "no one" is used to refer to not a single person. So the completed sentence would be: "I can't make my point clear. No one understands me!"

9. Let's go somewhere different tonight.
- The word "somewhere" is used to indicate an unspecified location, and "different" is used to suggest a change from the usual. So the completed sentence would be: "Let's go somewhere different tonight."

10. Everyone must hand in their homework by Friday.
- The word "everyone" is used to refer to all the people, and "their" is used to indicate possession. So the completed sentence would be: "Everyone must hand in their homework by Friday."