Everyone in the class is expected to ______ these discussions.
| A．participate | B．participate in | C．take part | D．join |
___ a very rough sea, with waves ten metres high.
| A．It were | B．This will be | C．It was | D．There’ll be |
It ___ the students in your class who came to see you then.
| A．is | B．was | C．were | D．are |
It’s impolite ___ you to ask one’s private affairs.
| A．for | B．of | C．to | D．on |
When I was in trouble, my friends often ___ me a lot of help.
| A．asked for | B．offered | C．needed | D．wanted |
We expected that he ____ for the meeting.
| A．turned down | B．turned on | C．turned up | D．picked up |