问题
选择题
—Doctor, I want to know ________________.
—Three times a day after meals.
A．how many times do I take my temperature
B．how often I take my medicine
C．how I do some exercise
D．when do I wash my hands
答案
答案：B
题目分析：宾语从句的结构：主语+谓语+连接词+从句。从句在句中作宾语。从句要用陈述句的语序。AC语序不正确，根据回答，饭后一日三次，可知问多久一次，故选B。