来自陆祥润的问题
是过去式问题Thechildrenoftenpractice________(play)theguitaronweekends
是过去式问题Thechildrenoftenpractice________(play)theguitaronweekends


是过去式问题Thechildrenoftenpractice________(play)theguitaronweekends
是过去式问题Thechildrenoftenpractice________(play)theguitaronweekends
playing
practicedoingsth表示“练习做某事”.
、