I didn’t quite follow him because he explained the theory _____that is too abstract for me.
The exciting news he had been looking forward ___ at last, so he did nothing but____.
I will hire the man _____ they say is a good English speaker.
More time, _____I’ll finish it all.
Mr. Bake is a professor of phsics; ____, he is a famous writer.
I started into the darkness and wonderful if he was as_____my presence as I was of his.