1．--- Can I help you with it?
--- I appreciate your _______, but I can manage it myself.
A．advice B．offer
C．request D．favour
2．--- May I have a word with you? I won't _______ much of your time.
--- Sure.
A．take out B．take off
C．take on D．take up
3．The Harry Potter books are quite popular, they are in great_______ in the city.
A．quantity B．progress
C．demand D．production
4．The bell _______ the end of the period rang, interrupting our heated discussion.
A．to indicate B．indicating
C．indicates D．indicated
