1. On Fridays, the box office _____ at 18.00.
    1.   open
    2.   opens
  2. My friend and I _____ blood every four months.
    1.   donate
    2.   donates
  3. Normally, our company _____ sneakers worldwide.
    1.   supply
    2.   supplies
  4. Not only Gramean Bank but also Global Fund for Women _____ solve the problems of poverty.
    1.   help
    2.   helps
  5. It is said that sex education, which seemingly _____ well in the USA, should be introduced to Thai students.
    1.   work
    2.   works
  6. To get A in this English grammar class ________ learners’ great efforts.
    1.   require
    2.   requires
  7. What is for lunch and whether it is delicious or not ________ all of us.
    1.   interest
    2.   interests
  8. Measles in children _____ red spots on their skin.
    1.   cause
    2.   causes