Some scientists believe that ________ is no doubt ________ a cure for AIDS will be found.
Advertising can influence consumers' moods, ______, in turn, can influence consumers' reactions to products.
—I'm trying to find yesterday's newspaper. Have you seen it? —I'm afraid that I ______ it away. I thought you had finished reading it.
____ good service, the restaurant offers different kinds of traditional Shandong Cuisine.
We got lost in the forest and decided to remain _____ we were and waited for rescue.
—Excuse me, what can I do for you?—Yes. I'd like to place ____ advertisement for _____ used car in your paper.