问题

________do you go roller skating—About twice a week.

A:How far
B:How long
C:How often
D:When;

正确答案是：

同类题型

What _____ if you don’t take a taxi to the party

______ volleyball here, ______you may break the windows.

esult of careless washing, the jacket ________ to a child’s size.

If you want to change the world, you have to yourself first.

This is the best way ______ I have thought of ______the problem.