[ Modal Verbs ]
When you are putting gasoline in your gas tank you _______ smoke! It is forbidden.
A. Must
B. Don’t have to
C. Have to
D. Must not
Select your answer:
Random Topics:
Modal and Relative PhrasesRegular and Irregular AdverbPhrasesPassive Modals in Different TensesPronouns and Subject Verb AgreementPast SimpleTenses and ComparisonsGrammar & TensesQuantifiers and AdjectivesOther quiz:
Grammar › ViewThe ______ ate a lot of grass.
A. Sheep
B. Sheeps
C. Sheeped
D. Sheepily
Vocabulary › View
(v.) to move backward
A. regress
B. garner
C. ambiance
D. hegira