[ 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:
Gerunds and Infinitivesmust/shouldConditionals 1,2,3Grammar - some / anyModals and VocabularyConjunctions and Transitionswas wereJobsPresent Continous TenseOther quiz:
Grammar › ViewYesterday the police (report) that they (capture) the thief.
A. reported – captured
B. reported – had captured
C. had reported – had captured
D. report – capture
Modal Verbs › View
I regret that I . . . . . . take care of my parents when they were alive.
A. will not
B. would not
C. can’t
D. couldn’t