It seemed to me that she was in doubt ______Timmy lived or died.
________ the Internet is bridging the distance between people, it may also be breaking some families or will cause other family problems.
________ your blog, I would have written back two days ago.
________ in his book, he didn't notice me ________ I entered the room.
How can you expect him to make any progress ________ you never give him a chance to have a try?
I'm sorry you've been waiting so long,but it'll still be some time ________ Brian gets back.