[ Dependent Preposition ]
The doctors had to operate ____ his knee after the injury.
A. on
B. at
C. in
D. for

Random Topics:
PunctuationPrepositions and ConjunctionsPast Simple - Present PerfectNoun PhrasePast Perfect Tense and Past TenseDefinite and Indefinite ArticleApologizingThe Past SimpleConjunction: Because and SoGrammar: Simple Past and Past ContinuousOther quiz:
Mixed General Quiz › ViewIn the 1600s The Netherlands produced many wonderful artists, the most famous of ___ was probably Rembrandt.
a. which
b. that
c. whose
d. who
Prepositions › View
I’m not sure I’m capable _____ running for long distances.
A. To
B. For
C. Of
D. Option 4
My Mum was very busy at work, but she _____ take a short holiday over Christmas.
A. should
B. was able to
Grammar › View
Choose the appropriate demonstrative pronoun: “Look at _ clouds in the distance.”
A. this
B. that
C. these
D. those
