—I wonder how much you charge for your services.
—The first two are free _____ the third costs $30.
A．while B．until
C．when D．before
I guess we’ve already talked about this before but I’ll ask you again just_____.
A．by nature B．in return
C．in case D．by chance
The dictionary is what I want, but I don’t have enough money_____me.
A．by B．for
C．in D．with
Tired, Jim was fast asleep with his back ______ a big tree.
A．in B．below
C．beside D．against
Sean has formed the habit of jogging ______the tree-lined avenue for two hours every day.
A．between B．along
C．below D．with
The little boy won’t go to sleep ______ his mother tells him a story.
A．or B．unless
C．but D．whether
