(届四川成都高三摸底试卷)The Mekong River Commission has found no evidence ______ the dams on the upper reaches have an influence on the water flow downstream.
—Excuse me, could you tell me where the post office is? —__________, but I’m a stranger here.
—Mr.Wang was caught in a snowstorm yesterday. —I have known that, and ______ his new car was completely destroyed.
This is the first time that I _____ the summer palace.
This is _______ story I’ve told you about.Isn’t it _______ interesting one?
Food prices are climbing around the world because farmers can't ____ demand for grain.