"Have To" vs. "Should"

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Fill in the blanks with one of the following: shouldn't, should not, have to, don't have
to, do not have to, has to, should, doesn't have to, does not have to


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