in the spare time /on the spare time哪个对?

in the spare time /on the spare time哪个对? in spare time还是on spare time He often listen to the (r.) in his spare time. in sb’ spare time造句 on my spare time还是in my spare time in his spare time or at his spare time what ( )the children do in the spare time?what ( )the children do in the spare time?选择题1does 2do 3 are 同意改写I like to play the flute in my spare time.=>I _______ ________ ________ ________ the flute in my spare time. i cannot spare the time的spare做什么词? I can not spare the time.这里的spare是什么意思. 5.the teacher didnt mind(help)_____ the students in her spare time. 请问:In my spare time是什麽意思? in spare time 前加什么 in one's spare time同义句 in one'spare time的同意词组 take part in,spare time的意思 in my spare time和on my spare time 有什么区别spare time是不是只能和in 连用 It's fun ___ the Internet in your spare time?A to surf B surfing