Question

【题目】You had better _________ questions in class when there is something you can't understand．

A.askB.askedC.askingD.to ask

Answer 1

【答案】A

【解析】

句意：当你有不明白的地方时，最好在课堂上提问。

考查固定搭配。A. ask问，动词原形；B. asked过去式；C. asking动名词；D. to ask动词不定式。根据根据You had better ____ questions in class when there is something you can't understand，可知这里考查搭配，had better表示最好，后面跟动词原形，had better do sth.最好做某事，故答案选A。