1. The car drove away at high speed with four people in it.
2. The river flowed through the valley.
3. The ferry sailed across the channel.
4. The traffic moved slowly along the busy motorway.
5. The train travelled at high speed along the new track.
6. The clouds drifted across the sky.
7. The flag swayed in the strong wind.
8. The leaves stirred in the gentle breeze.
(?) 9. The trees fluttered in the breeze. (я не знаю, могут ли trees flutter, так как даже примеров в интернете я не нашла, но оно единственное, что остается, поэтому либо это так, либо я накосячила где-то еще)
10. The lorry swerved to avoid a cat.
11. The plane flew directly over our house.