[ Modal Verb ]
While you are putting gasoline in your gas tank, you….. smoke! It is forbidden.
A. shall
B. must not
C. don’t have to
D. would not

Random Topics:
-ing form and the to-infinitiveComparison & Modal Verbs in Passive VoicePronoun-Verb AgreementCoordinate ConjunctionGrammar SuffixesAdjectives and PrepositionsPresent and Past Perfect TensesPresent Perfect Simple vs ContinuousPresent Simple & Present Continuous TensesPresent and Past TenseOther quiz:
Grammar › ViewEntrance is free. You … pay anything.
A. don’t have to
B. mustn’t
C. should
Present Perfect › View
It ____ _____ all night.
A. have rained
B. have rain
C. has rained
D. has rain
Grammar › ViewThe athletes ___ in 68 different events.
a. participating
b. participated
Comma › View
Which sentence is correct?
A. Dear, Uncle Jim
B. Dear Uncle Jim,
C. Dear, Uncle, Jim
