Wily word pairs

Are you discrete or discreet in dealing with confidential matters? Similar-sounding words are often confused. See if you can choose the correct word in each example below. It's not as easy as it sounds!

1. Extroverts are not Placeholder for the answer to being the centre of attention.
2. The title of Ondaatje's latest book Placeholder for the answer me.
3. I hesitate to Placeholder for the answer the subject with my manager.
4. Guests at the Château Frontenac can count on our staff to be Placeholder for the answer.
5. The survey was designed to Placeholder for the answer the true feelings of those interviewed.
6. A dramatic change in the Earth's climate is Placeholder for the answer.
7. Budgetary constraints have seriously Placeholder for the answer our grants and contributions.