Sarah pretended to be cheerful, ______ nothing about the argument.
—Can you help me with this problem?—It's beyond my __________.I didn't work it out, either.
To win in these areas, the firm needs a sustainable __________ advantage.
—The hotel business in China is as __________ as that in developed countries now.—Yes, but we still have a long way on energy saving hotels.
—Yao Ming scored more than 25 points in each game this season.—There's no doubt that he ________ the title “The Best Scorer”.
__________ manager of the department, Mr Wang didn't feel happy as he was put under great pressure.