[ Grammar ]
Agents are required to always be ___ time.
A. in
B. on
C. at
D. by
Select your answer:

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Present Simple and Present ContinuousPresent and Future TensesCountable - UncountableAdjective SuffixesSo, Such, Many, MuchTenses and FoodConditional and Mix Conditional SentenceInfinitives or GerundsRoot WordPassive to ActiveOther quiz:
Passive Voice › ViewSome honey………………………………………for sweetness. (Modal Auxiliaries)
A. could be added
B. could been added
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Grammar › View
Nobody _______allowed to leave the hall.
A. has
B. have
C. is
D. are
