8. Usually passengers are required to arrive at _____ one hour before ______ takes off.
--I came ___ two idioms which puzzled me on the cover of an old book which I was looking for a new material in yesterday. ---Why not go to the teacher for ___ about them?
--What did the teacher say to you just now? ---She asked me ___.
This building is ___ that one.
Will you please try to ___ the article ___ to about 3000 words?
Mother: Bob is sure ___ tonigh. Father: Don't be so sure ___ it.