I'dliketoknowwhenthey'lllethimout.
我想知道他们什么时候放他.
ThereweretimeswhenIdidn'tknowwhattodo.
有些时候我不知道该怎么办才好
Johngotengagedtoherwhentravellinglastwinter.
去年冬天旅行时,约翰与她订了婚.
Don'tgetexcitedwhenyoutalk.
你说话时别激动.
Howcanhegetthepromotionwhenhisbossdislikeshim?
既然上司不喜欢他,那他怎么会获得提升呢?
IhadonlyfifteendollarsonmewhenthebookIwantedcosttwenty.
我身上只带了十五美元,可是我想买的那本书定价二十美元.