--- The floor is dirty. Can anyone clean it?
--- . I do it all the time.
A．Don’t mention it. B．Why you?
C．Not sure. D．Not me again.
--- What do you think of teaching, Bob?
--- I find it and challenging. It is a job you are doing something serious but interesting.
A．funny, that B．fun, that C．fun, where D．funny, which
They were pretty poor but most of their friends were even .
A．richer B．badly off C．worse off D．well off
Sometimes we just believe what we see, the reality may be different.
A．even though B．as if C．since D．unless
--- Flight 321 . I’d better be on my way. Bye.
--- Bye, Happy landing!
A．was announced B．is being announced
C．had announced D．is announced
He kept a little notebook, in which the names and addresses of his friends.
A．wrote B．writing C．was written D．were written
