мы очень волновались за свою дочь, когда она отправилась в экспедицию. мы ничего не слышали о ней, пока не увидели телевизионную программу об этой экспедиции
We are very worried for her daughter when she went on an expedition. We didn't hear about it until they saw a television programme about the expedition
We are very worried about her daughter when she went to the expedition. We have not heard anything about it until I saw a television program about the expedition
we are very worried about my daughter, when she went on an expedition. we haven't heard anything about it until i saw a television program about the expedition