- 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
