He steered the boat down the rapids.

I play basketball with my friends every weekend.

The stock price plummeted.

The stock prices plummeted, causing investors to panic.

It's difficult to calculate the sum of this series.

The lifeboat was floating in the sea.

He is my enemy.

The government has made a new plan to relieve the disaster victims.

I participate in a softball game every weekend.

This permanent peace will continue not only for our generation but also for future generations.