She extemporized a heartfelt speech when the scheduled speaker canceled.

At the town hall, his extempore surprised everyone and sparked a lively debate.

He answered the question extempore, relying only on his instincts.

The professor delivered an extempore lecture when the guest speaker canceled.

Her extemporization during the meeting impressed everyone, turning a rough draft into a polished proposal.

When the projector failed, she had to extemporize, turning her explanation into a lively off-the-cuff demonstration on the whiteboard.

At the meeting, she extemporizes responses to questions so confidently that everyone trusts her insight.

Extemporizing during the panel, she turned a vague prompt into a compelling argument that won over the audience.

Her extemporal remarks won over the skeptical audience, proving that she could think on her feet.

Her extempores at the open-mic night impressed the audience with their wit and spontaneity.