— ------ TV do you watch every day?— about two hours.A :How long B:How often 为什么?

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— ------ TV do you watch every day?— about two hours.A :How long B:How often 为什么?

— ------ TV do you watch every day?— about two hours.A :How long B:How often 为什么?
— ------ TV do you watch every day?— about two hours.A :How long B:How often 为什么?

— ------ TV do you watch every day?— about two hours.A :How long B:How often 为什么?
A
cause it's about 2 hrs.so it is a period. so choose how long
if we choose how often.the ans shud be every 2 hrs.

A How long 表示多久, How often 表示多久一次,询问频率

选A。
How long 指“时间持续多长”,比如每天看两个小时电视。 How often 指“频率是多少”,比如每天看两次电视。