Every minute he could spare was made use spoken English.
A. of practising
B. of to practise
C. to practise
D. to practicing
网友回答
A. of practising
(答案→)B. of to practise
C. to practise
D. to practicing
解析：本题考查非谓语动词。句中短语make use of为“利用”之意，其后不定式表示目的性。句意：他所抽出的每一分钟都用来练习英语口语。