1/ They will translate this book into Vietnamese. 2/ People have discovered oil at the North Pole. 3/ They are going to buy a new bicycle. 4/ People use cars to carry food to the market. 5/ They must do their exercises before going to school. 6/ That boy broke two school's windows yesterday. 7/ My father paint the house once a year. 8/ They have known him well. 9/ Daisy takes some flowers into the living-room. 10/ Mary cooked the soup yesterday