为什么spend+doing look forward to+doing like+doing like+to do

为什么spend+doing look forward to+doing like+doing like+to do spend…doing造句 sb spend + doing sth spend doing sth. sb spend some time doing stn的some time 后面为什么加doing I usually spend two hours on doing homework everyday.为什么用doing spend on sth 等于spend doing sth spend todo 和spend doing 区别 花费时间做某事为什么要用spend time doing sth可以用spend time to do sth吗 spend.on spend.in 与spend.doing的区别 spend time后面+on doing还是spend time doing spend in doing 和 spend on doing的区别 spend in doing和spend doing 的具体区别 spend in doing还是 on doing 有spend.on doing sth spend sometime doing sth 语法分析 people who spend money to go to a gym to lose weight are so silly spend为什么这样用不是spend doing I get to spend time doing what I love to do为什么用what?