—The food here is very nice．Thank you for inviting me.
— _____ I’m glad you enjoyed it.
A．Don’t mention it． B．Don’t thank me
C．Don’t worry D．Don’t you think so
— Kitty, do you know ______?
— Sure, about forty minutes.
A．when did their class meeting begin.
B．where their class meeting was held
C．how often their class meeting is held
D．how long their class meeting will last
The mobile phone has changed people’s life a lot ________ it was invented.
A．until B．since
C．before D．after
I have so much homework to do that I don’t know ________.
A．what to do with B．how to deal with it
C．what to deal with it D．how to do
---- You don't know what great difficulty I had _____ to get the two tickets.
---- But the film is really worth_______ twice.
A．managing; seeing B．to manage; seeing
C．managing; being seen D．managed; to be seen
— You should be careful when ________.
— Yes, I will．I’d like to know when ________ to have a rest.
A．driving; stopping B．driving; to stop
C．to drive; stopping D．to drive; to stop
