求解一道英语选词填空题.
选择单词的适当形式填空：
（1）There is ______ in pushing them unless they are talented and enjoy it.
（2）The period after college,when Joan struggled to develop her ideas into a workable form,was her ______ hardship.
(3)_______,we welcome the suggestion of parents and appreciate their understanding and commitment to work cooperatively with us.
选项有：long,consider,emphasize,currency,up to,
sum,pace,aim,set,recommend,stretch,point