---Waiter, $ 20 for dinner, right?
--- I’m afraid $ 25, sir, for drinks are ________.
A．free B．extra
C．high D．spare
---Why are you still waiting in line?
--- I’ve missed my turn ________.
A．order B．miss
C．time D．/
---Would you mind my using your dictionary?
---________.
A．Of course not B．Yes, please
C．You’re welcome D．My pleasure
---I have finished my homework already, mum.
--- When ________ you ________ it?
A．did; finished B．did; finish
C．have ; finished D．were; finishing
I haven’t heard from Bill ________ he left here.
A．when B．before
C．since D．while
---I’m sorry, Linda. I’m late.
--- Oh, Kate. You have kept me ________ for you for half an hour.
A．wait B．waiting
C．to wait D．waits
