I'm badly in need ______ your help.
My mother _______ a bed in the sitting-room for my cousins from the countryside.
The latest UK official studies show _______fewer teenagers are now studying foreign languages.
—I really hope we can see Zhou Xun in Hangzhou this time. —Maybe, if we are______.
—You’ve dropped_______ “s” in the word “acros”.—Oh, ______letter “s” should be doubled like this “across”.
—Thank you for your MP4 player. I’ll ask Mary to take it to you soon. —______. I’ve bought a new one.