[ 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 › ViewBy Christmas, I …………… for Mr. Smith for six years.
A. shall have been working
B. shall work
C. have been working
D. shall be working
Grammar › View
In the following sentence, where does the comma belong?
Avery let’s go to the mall after dinner.
A. Avery,
B. go,
C. mall,
D. As it is
Grammar › ViewI ______ 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
