--- Bob, you are absent-minded! --- Oh, I’m sorry I _______ attention to you, Miss Shute.
This lecture is by no means the most boring. I’ve attended_____.
The mother felt herself____ cold and her hands trembled as she read the letter from the battlefield.
There has been ____rising demand for grain as ____industrial material in spite of the nation’s good harvests.
He wondered if he could slip out of the lecture hall without anyone______.
We cannot figure out ____quite a number of insects, birds, and animals are dying out.