[ Causative Verbs ]
The guard prevented them ___ the building.
A. from entering
B. entering
C. to enter

Random Topics:
Present Perfect TensePast PerfectGrammar - NounsComperative and SuperlativeNounSimple Verb TensesPrepositions after VerbsFirst and Second ConditionalProgressive Perfect and Simple Verb TensesWH- Question WordsOther quiz:
Modal Verbs › ViewAnn is in the hospital. “Yes, I know. _________ her tomorrow.
A. I visit
B. I’m going to visit
C. I’ll visit
Past Simple › View
Rob ___ movie last night.
A. watches
B. watch
C. watched
Grammar › ViewThe ball is… the box
A. on
B. under
C. in
Conditional Sentences › View
I ___________ a farm in the country if I ____________ the lottery.
A. bought-win
B. would buy – won
C. will buy – win
D. buy – win
