[ Modal Verb ]
While you are driving, you…….. listen to the radio. it’s not necessary.
A. doesn’t have to
B. must
C. don’t have to
D. must not
Select your answer:
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Present Perfect and Present Perfect Progressive Tenses › ViewThey ___ (build) the treehouse since last week.
A. are building
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The world champion golfer designed a new golf ___.
a. coarse
b. course