问题

________do you go to the dentist——Let me see, twice a year, maybe.
A:by; from
B:from; to
C:from; by
D:by; to;
B:from; to
C:from; by
D:by; to;
正确答案是:
同类题型
We have different language courses; you can choose ________ if you like.
He came all the way to China for knowing its culture and history ________ for making money
x my what It was to get my brakes repaired ____I brought my car in, not to get the engine replaced!
Must I wash the clothes now— No, you _______. You _______ clean the room first.