— What do you often do in your free time?— I spend all my free time English.A. practiseB.

问题补充：

— What do you often do in your free time?

— I spend all my free time English.

A. practise

B. practises

C. to practise

D. practising

答案：

A. practise

B. practises

C. to practise

(答案→)D. practising

解析：句意：你空闲时间通常做什么？我的空闲时间都是在练习英语。spend +时间+（in）+doing sth花费时间做某事，固定句型故选D