[ Modal Verbs ]
Employees _____ use their cellphones in work hours.
A. Can’t
B. Mustn’t
C. Shouldn’t

Random Topics:
Time Clauses of FuturePresent ContinousDeterminers & QuantifiersNoun PhrasesPrepositions and ArticlesQuantifiers & Modal VerbsPassive Voice of TensesThird ConditionalGrammar speak,talk,say,tellFuture Perfect ContinuousOther quiz:
Grammar › ViewMy dad was in a bad mood for the whole week, completely ________ the holiday.
A. ruining
B. passing
C. feeling
D. explaining
Pronoun › View
If anyone has an opinion about capital punishment, ____ should state it.
A. He
B. They
I ______ a good movie on TV last night.
A. watched
B. watch
C. watches
Grammar › View
If they ……… studied hard last night, they ……… got the perfect score.
A. Had ……… Would have
B. Had ……. Would had
C. Had …… Will have
D. Had …… Will had
