Select the correct answer from the bracket:
Q1: They went to the driver, ______? [ did they, don't they, didn't they]Q2: The writer of these two books ______ dead.[is, am, are]
Q3: He died of ______ cancer. [a, an, the, none]
Q4: English is spoken all over the world, _______? [isn't English, doesn't it, isn't it]
Q5: _____ ox can't plough. [a, an, the, none]