.The artist made up his mind to devote all he could his English beforegoing abraod.A. imp

问题补充：

.The artist made up his mind to devote all he could his English before

going abraod.

A. improving

B. to improve

C. imprve

D. to improving

答案：

A. improving

B. to improve

C. imprve

(答案→)D. to improving

解析：考查不定式做目的状语，句意是：这个艺术家决定在出国前尽最大力量提高英语，to improve…为了提高。是目的状语。选D。