Kenji switched topics from the environment to the retro-virus RV-41.

Having no response to that, I switched topics and prompted: "You were going to tell me about t-balance."

Seeing Pug become irritated at the remark, he switched topics.

We conversed on five or six subjects at once, switching topics every three or four minutes.

Getting people just to switch topics is a tough trick.

He paused, got a quizzical look on his face and switched topics.

I switched topics because the first one hurt too much.

When she saw that he wasn't going to answer her sardonic question, she decided she'd better switch topics.

I wasn't sure if she expected a response to that, so I switched topics.

Daphne had known his thoughts were still on his mother even before he abruptly switched topics.