Question

AYUDA CUAL ES LA RESPUESTA CORRECTA

9. An etude is a short musical composition written especially —— a particular technique.

(A) enable students practicing (B) enables students practicing (C) enable students to practice (D) to enable students to practice

10. Seldom —— games been of practical use in playing real games.

(A) theories of mathematics

(B) theorized as mathematics

(C) has the mathematical theory of

(D) the mathematical theory has

Answer 1

9. En este punto la respuesta es (D)

10.En este punto la respuesta es(A)