—Is there anything wrong with you, Jake? You look so pale.—I feel very tired.I _____on this boring paper every day so far this month.
_____ in the regulations that you should not tell other people the password.
I went to the Lincoln Memorial yesterday, _____, not surprisingly, was crowded with visitors from all over the world.
We are not ready to go into production yet. The new machine isn’t fully _____.
—Do you know where David is? — Well, he _____ have gone far — his coat is still here.
He is my favorite film star. I regard him _____ other stars.