[ Gerund & Infinitives ]
It is important ____ people back right away
A. calling
B. to call

Random Topics:
First Conditional, Future Time ClausesConnectives (because, due to, owing to, because of)Unless If First ConditionalModals and TensesClauses and ConjunctionsModals of DeductionConjunctions and PronounsPresent simple or Past simpleGrammar - could / could notConjunctivesOther quiz:
Vocabulary › ViewWhat are things that make life easier called?
A. Necessities
B. Essentials
C. Luxuries
D. Conveniences
Modal Verbs › View
The keys _____ on the kitchen counter.
A. can be
B. could be
C. will be
D. should be