1. To jog every morning and to watch your diet _____ you to become healthy.
    1.   help
    2.   helps
    3.   helping
    4.   helped
    5.   to help
  2. Taylor: Professor Lee, ____ I call you tomorrow at eight? I’d like to discuss the plan for the next conference.
    Professor Lee: Sure.
    1.   may
    2.   had better
    3.   do
    4.   must
    5.   might
  3. The head of the department and course lecturer _____ to introduce a new teaching strategy to all reading classes.
    1.   plan
    2.   plans
    3.   planning
    4.   planned
    5.   to plan
  4. A: Why _____ the baby crying?
    B: He is either hungry or sleepy.
    1.   does
    2.   have
    3.   do
    4.   is
    5.   has
  5. Dr. Gray: You____ watch your diet and exercise to lower your cholesterol. If not,
    you ___ avoid taking medicine for the rest of your life.
    Connor: I will do my best, doctor.
    1.   are able to…may not
    2.   should…don’t have to
    3.   have…do
    4.   must…cannot
    5.   may…may not
  6. A: _____ the Laotian language and the Thai language share something in common?
    B: Yes, they do. But there are some slight differences in vocabulary and sounds.
    1.   Does
    2.   Have
    3.   Do
    4.   Is
    5.   Can…could
  7. Laura: ____ you still speak Chinese?
    Mitch: I cannot speak it now. I ____ speak the language when I worked there 15 years ago.
    1.   Could…could
    2.   Might…can
    3.   Do…might
    4.   Had to…did
    5.   Can…could
  8. A: What _____ you call the fruit with white flesh in the purple shell?
    B: Mangosteen.
    1.   do
    2.   have
    3.   are
    4.   does
    5.   has
  9. Cutting onions _____ a gas. The body _____ tears to remove it.
    1.   release…producing
    2.   releases…produces
    3.   released…produced
    4.   releasing…produce
    5.   to release…produces
  10. Student: ____ I return the book to the library a couple of days late?
    Librarian: I’m afraid not. You _____ return it on the date due.
    1.   Can…have to
    2.   Must…should
    3.   Will…must
    4.   May…are able to
    5.   Ought…had better