—I have signed up for the Oral English Competition.—What a________idea. You even don’t know how to introduce yourself in English.
___ a very rough sea, with waves ten metres high.
It ___ the students in your class who came to see you then.
It’s impolite ___ you to ask one’s private affairs.
When I was in trouble, my friends often ___ me a lot of help.
We expected that he ____ for the meeting.