问题

_____ do you go to the zoo with your brother?— Once a month. [ ]
A:How
B:How often
C:How old
D:How much
B:How often
C:How old
D:How much
正确答案是:
同类题型
I often have ____ egg and a glass of milk for ____ breakfast every day.
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Mary came ______in the Chinese exam. This is _______time she got the good mark.