题目内容
【题目】I didn't know ______ next at that time.
A. what to do B. what to do it C. how to do
【答案】A
【解析】
句意：那时我不知道接下来怎么做。动词do后面缺少宾语，故用疑问词what充当，how是副词，可以作为状语，故此处为what to do要做什么，how to do it如何做它，故选A。
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题目内容
【题目】I didn't know ______ next at that time.
A. what to do B. what to do it C. how to do
【答案】A
【解析】
句意：那时我不知道接下来怎么做。动词do后面缺少宾语，故用疑问词what充当，how是副词，可以作为状语，故此处为what to do要做什么，how to do it如何做它，故选A。