Answer Key

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Glow Answers

Practice #1 - answers
Modal Auxiliary Expressions: should, ought to, must, have to

Choose the most appropriate modal auxiliary for each sentence.

1. To get an F-1 student visa, you _must_ (must/should) show that you do not intend to immigrate
to the U.S.

2. To go to a U.S. school, you _should_ (must/should) be very proficient in English.

3. In order to get an F-1 visa, you _have to_ (have to, ought to) be accepted for admission at a valid
U.S. school.

4. You _don't have to_ (don't have to/shouldn't) take the TOEFL test for a few U.S. schools.

5. However, for most U.S. universities, you _must_ (must/should) have a TOEFL score of higher
than 550.

6. In order to get a good score on the TOEFL, some students _have to_ (should/have to) take the
test twice or even three times.

7. Some students think that doing well on the TOEFL _has to_ (should/has to) be the hardest part
about going to the U.S. university.

8. Students _must not_ (must not/should not) work off campus unless they can prove unforeseen
financial hardship.

9. Students _don't have to_(don't have to/should not) get excellent grades in order to maintain their visa.

10. Going to school in the U.S. _must_ (must/should) be the best way for a young person to
see the country.