Topics: Dependent Preposition
The doctors had to operate ____ his knee after the injury.
A. on
B. at
C. in
D. for
Select your answer:

Random Topics:
Word Form & Verb TensePresent Tense VerbsPrepositions & Prepositional PhrasesShould, Should not haveTime Clauses of FutureInfinitiveAuxiliary and Modal VerbsPrepositions - ConjunctionsNoun Phrases and AdverbialsHas Got & Have GotOther quiz:
Grammar-Translation Method › ViewWhich is the most common exercise?
A. Gap-fill communicative tasks
B. Substitution drills
C. Translation sentences
D. Group projects
Vocabulary › View
having a tired look; worn out
A. bedlam
B. pitance
C. haggard
D. alleviate
