It ususlly takes him （40 minutes） to go to school by bus every day.（划线提问）______ ______ does it take him to go to school by bus every day?
问题描述：
It ususlly takes him （40 minutes） to go to school by bus every day.（划线提问）
______ ______ does it take him to go to school by bus every day?
答
How long 根据画线部分我们得知提问的是时间，而且是一段时间，即40分钟，不是点时间，即不是在几点。提问一段时间用 How long。所以应用How long来提问。
答
how long
答
【How long】does it take him to go to school by bus every day?
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