Write the correct word.

1. Don't (pretend / claim) to be asleep. I know you're awake really!

2. I’ve been trying to (doubt / convince) Kathy that Jacob isn't a liar, but she doesn't believe me.

3. Police are investigating the (cause / purpose) of the accident.

4. I've just had a (thought / theory). Why don't we have the party at your place?

5. There’s a (discussion / rumour) going round the school that Mrs Tibbs is leaving at the end of term. I wonder if it’s true.

6. I’m going to (get / become) rid of these shoes. They're really old.

7. The (result / accident) of the experiment wasn't what I’d expected at all.

8. The detective (assumed / investigated) that the burglar had got in through an open window.