问题
What do you often do_______classes to relax yourselves—We often do eye exercises, listen to music or do some running around the school.
A:as expensive as
B:so cheap as
C:as low as
D:so high as;
B:so cheap as
C:as low as
D:so high as;
正确答案是：
同类题型
ook part in the games, but the restof us just .
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