We can no longer ________ to consider water an almost free resource that we can use as much as we like.

A thousand words will not leave so deep an ________ as one deed.

It was _________ to everybody that he was angry.

_____ catch the first bus, he got up very early this morning.

—Next week I will go to a job interview．Will you give me some suggestions?—Smiling is a great way to make yourself      ．