Studies have shown that scientists produce not only some of the best ideas, but also _____ bad ones.
— How many students are going to the Great Wall? — ____.
— May I take your order? — Yes, I’d like a cup of coffee, a hot dog and some salad. What about you, Lisa? — ____.
He began to __________ because every means _______ tried already.
It’s said that the old lady died ________.
_________ water to grow is well-known.