34. I am _____ sure that I have told you that before.
If there is a lot of work.I'm happy to just keep on until it is finished.
To learn English well, we should find opportunities to hear Englishas much as we can.
Due to the heavy rain and flooding,ten million people have been forced _________ their homes.
If we have illegal immigrants _________ in,many local workers will lose their jobs.
The director had her assistant ________ some hot dogs for the meeting.