What a terrible experience! _____ , you are safe, that's the main thing.
It’s required that the students__ mobile phones in their school, so seldom _ them using one.
_____ a reply, he decided to write again.
My TV has ________so I can't watch it and I don't know how to kill time.
It was such a ________to hear that her son was found safe and sound in the forest.
I try to ______ a few minutes every day to do some exercises.