问题

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
B:until
C:when
D:before
正确答案是:
同类题型
Well, I do think the rabbit is a beautiful, gentle animal which can run very fast. —_____.[ ]
The new means of transport ________ in this city, so whether it will work out remains to be seen
Our project_____ three parts which are to be fulfilled separately.
How do you like the party?—-wonderful. If you had come with us , you ______a good time.