He spent every minute he could _____ spoken English.
A. practise。mB. to practise
C. practising。mD. practised
He spent every minute he could _____ spoken English.
A. practise。mB. to practise
C. practising。mD. practised
C
这与前面动词 spent 的搭配有关,即 spend … (in) doing sth。若将此句补充完整,即为 He spent every minute he could spend in practising spoken English