—Why do you look so worried? —Fred left the company half an hour ago. His work _______ unfinished since.
Although _________my opinion, the old professor didn't come up with his own.
In order not to let the others hear what he said, he_________the news to me.
The lady walked around the shops,_________an eye out for bargains.
—We can give you a ride into town. —_________ Thank you.
Theability _________ an idea is as important as the idea itself.