I hope that full advantage is ________ of our library.
Jose cupped his hands together to cover his mouth ______ other people would see him cry.
After ______ seemed a hopeless wait, four coal-miners trapped in the mine for 125 hours were finally rescued in Heilongjiang Province.
The real secret to successful learning lies in students ______ an interest in what they are doing.
---Fancy meeting you here, Lucy! I never thought you visit us today.---Sorry, I forgot to tell you I was coming. I hope you don’t mind me ______.
--- Was it by cutting down unnecessary expenditure ______ Mr. Simon saved the firm?--- No, it was by improving work efficiency.