— Do I have to sell my old computer? It almost stops working.— You ________ do so, it only needs ________. Something has gone wrong with it.
--- ______ do you play softball after school? --- Twice a week.
--- Is the Changjiang River in the world? --- No, it isn’t.
Tom often tells lies, but they always make us .
David often helps Sandy ___ her Maths, he shares his school things___ her.
--- Mum, can I have something ? --- Sorry. There is in the fridge.