[ Gerund vs Infinitive ]
Sam had to stop ________ football because he had injured his knee earlier.
A. to play
B. playing

Random Topics:
Verbals and GerundsComparisonsComparatives, Superlatives & EquativesSingular and Plural NounsModalTransitive or Intransitive VerbsSubjective and Objective PronounPassive with ModalsModal RequestsPast Simple & Past PerfectOther quiz:
Grammar › ViewGilberto ______ music everywhere.
A. Listen
B. Listening
C. Listens
D. Listened
Modal Verbs › View
You ________________ smoke in this building.
A. Must
B. Mustn’t
Grammar on Conditionals › ViewIf I ____ you, I ____ there myself.
A. were, would go
B. were, go
C. was, would go
D. was, go
Subject Verb Agreement › View
The basket of apples _______ delicious.
A. smells
B. smell