102. Choose the correct preposition. He is not very good…. doing sums. A) on B) in C)...

Question

102. Choose the correct preposition. He is not very good…. doing sums. A) on B) in C) with D) at E) upon

Answer 1

He is not good at doing sums.

Answer 2

He is not very good…. doing sums. A) on B) in C) with D) atE) upon

 

Устойчивое выражение to be good at - быть способным, преуспевать