[ Modal Auxiliary 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
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Grammar › ViewShe has a car, so she …… …… there many times.
A. has driven
B. have driven
C. has drove
Grammar - Punctuation › View
Prof Diaz have you met Dr Petrozelli?
A. Prof. Diaz, have you met Dr. Petrozelli?
B. Prof. Diaz have you met Dr. Petrozelli?
C. Prof Diaz, have you met Dr. Petrozelli?
D. Prof. Diaz, have you met, Dr. Petrozelli?
Grammar › ViewWhich spelling is correct?
A. a stairght line
B. a straight line
Past Tenses › View
It tell us that an action was in progress, but not when it was finished.
A. simple past
B. past continuous
C. present continuous