What impressed me most was that they never ______.

A:lost hearts B:lost their hearts C:lost heart D:lost their heart

What impressed me most was that they never ______.

A:lost hearts B:lost their hearts C:lost heart D:lost their heart

What impressed me most was that they never ______.

A:lost hearts B:lost their hearts C:lost heart D:lost their heart

Never ______ such a bad accident.

A:I have seen B:have I seen C:will I see D:I will see

What impressed me most was that they never ______.

A:lost hearts B:lost their hearts C:lost heart D:lost their heart