题目内容
—___ __ do you sleep every night?
—Six to eight hours.
A. How long B. How often C. How D. How many times
A 【解析】句意:——你每天晚上睡多长时间?——6到8小时。A. How long 多长(通常指做某事用了多长时间); B. How often 多长(通常提问频率); C. How怎样; D. How many times多少次;故选A
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