单选题
-- ______ should I take the medicine?
-- Three times a day.
A、
How many pills
B、
How much
C、
How often
D、
How many
【正确答案】
C
【答案解析】
[解析] 本题是考查how many,how much和how often的用法区别。根据答语可知是问频率的。
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