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Sam is very good _____ Mathematica

Ain

Bat

Cwith

Don

Answer:

B. at

Read Explanation:

Good എന്ന വാക്കിന് ശേഷം ഒരു subject ലെ കഴിവിനെ സൂചിപ്പിക്കാൻ ഉപയോഗിക്കുന്ന preposition 'at' ആണ്.


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