We have strong ________ for believing that the newly-invented material is not only popular but also a monument to the eco-friendly lifestyle.
You may drop in or just give me a call. ______ will do.
—He was nearly drowned once. —When was ______? —_____was in 1998 when he was in middle school.
He didn’t make ________ clear when and where the meeting would be held. .
—There is still a copy of the book in the library. Wall you go and bottow ? —No, I’d rather buy in the bookstore.
_____________ worries me the way he keeps changing his mind.