[ 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 › ViewA _____ subject has two subjects that share the same predicate.
A. Complete
B. Complex
C. Simple
D. Compound
Will or Going to › View
A: What would you like to drink?
B: I ______________have a smoothie, please.
___
A. will
B. am going to
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