There are several chemical factories waste water into the river.A. pour B. pouring C. are poured
Where ______ his new classmates ______ from?
______ your best friend good at ______ ?
—What ________ Lucy ________? — She is tall and slim.
—Do you think they are _______ football players? —Yes, they can play football very ________.
Can you _________your pet dog at the weekend?