... people are reluctant to let younger people into government then it could affect the ability of future leaders.再就是,then这样用可以么?then是副词,放在一个句子里,不是前后需要加逗号么?谢谢老师。
Kristin Diehl conducted a series of experiments on photo-taking to find out whether people enjoyed it when they did sightseeing.过去式did后面为什么用ing形式(有did doing句型吗)?
...ne food plant, their offspring then fly onward to a different host plant, with no one aphid ever returning to where it started.这句话前面是根据上文省略了动词并且倒装了吗,后面when这里为什么有逗号隔开,when后面接哪里,这句话的各部分和正常语序应该...
...于she feel in the same way as I do.?上下文:FEMALE PROFESSOR: And, what we've learned from this has led researchers to believe that venom proteins,may have some exciting applications in the field of medical research.FEMALE PROFESSOR: You see, venom alters biological functions in...