—What about the student in your class, Mr. Wang?—The doctor said that ________ sleep caused him poor memory and poor concentration.
The gas price keeps rising, ________ an average of 7.7 yuan per liter this month.
—What in the world put you in a really bad mood? —________ in the traffic for hours.
Most of the guests ________ to the wedding last week were his classmates and friends.
I'd rather have a room of my own, however small it is, than ________ one with others.
________ by strong snowstorms, the area faced severe water and electricity shortage.