[ Grammar ]
He is good ___ playing the guitar.
A. by
B. at
C. in
D. on

Random Topics:
Grammar (was, were, could, could not)Preposition (at,in,on)Reporting VerbsGrammar: wishes and regretsPersonificationFuture Time and TensesConditional Sentence 0, 1Understanding Product Packaging and TensesVerb PhrasesWestern Europe CountriesOther quiz:
Preposition › ViewWe have lunch ……….. noon.
A. at
B. in
C. on
D. between
Grammar › View
A: What is ______ ?
B: She is a bank manager.
—
A. his job
B. she job
C. he job
D. her job