our good friend, will share your joys and sorrow

Nothing is so easy as ________ parents toraise their expectations of their children too high.

We’d like you to start work tomorrow if possible.—I’m sorry, but I can’t possibly start until Monday. _______

You know what I am going to Shanghai on a free tripthis weekend­ — _____

下列各组词语中，没有错别字的一组是（ ）