---Did you hear that water in Tai Lake smelled terrible?--- Yes.It ___________ because of people and factories.A. polluted B. was polluted C.has polluted
Mike and Jack _______a new teacher.
—Do you like English? —_________.
—________ his keys? —They are on the table.
—What is this? —_______ a dog.
______ is a teacher and ______ father is a teacher too.