______(请务必做到) no children should lean out of the window.

Wewereallsurprisedthat______(他独自一人自愿承担起这一艰巨的任务)．

If women are encouraged by equal pay to take full-time jobs, they will be unable to do the things they are best at doing: making a nice home and bringing up children. (Passage 3)

The truth in question is that success in life depends chiefly on sustained efforts _________ (这种努力来源于对所选职业的一种深厚的兴趣).

Onlywhenhetoldme______(我才意识到他处于进退两难的境地)．

为已逝去的时光悲伤是没用的